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54677644 = 22717229233
BaseRepresentation
bin1101000010010…
…1000010001100
310210212220121221
43100211002030
5102444141034
65231533124
71232516020
oct320450214
9123786557
1054677644
112895613a
121638a1a4
13b435548
147394380
154c00bb4
hex342508c

54677644 has 72 divisors (see below), whose sum is σ = 120687840. Its totient is φ = 21202944.

The previous prime is 54677633. The next prime is 54677669. The reversal of 54677644 is 44677645.

Its product of digits (564480) is a multiple of the sum of its prime divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 54677644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234552 + ... + 234784.

It is an arithmetic number, because the mean of its divisors is an integer number (1676220).

Almost surely, 254677644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54677644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60343920).

54677644 is an abundant number, since it is smaller than the sum of its proper divisors (66010196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54677644 is a wasteful number, since it uses less digits than its factorization.

54677644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 288 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 54677644 is about 7394.4333116203. The cubic root of 54677644 is about 379.5508173557.

Subtracting from 54677644 its reverse (44677645), we obtain a palindrome (9999999).

The spelling of 54677644 in words is "fifty-four million, six hundred seventy-seven thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 17 28 29 34 58 68 116 119 203 233 238 289 406 466 476 493 578 812 932 986 1156 1631 1972 2023 3262 3451 3961 4046 6524 6757 6902 7922 8092 8381 13514 13804 15844 16762 27028 27727 33524 47299 55454 58667 67337 94598 110908 114869 117334 134674 189196 229738 234668 269348 459476 471359 804083 942718 1608166 1885436 1952773 3216332 3905546 7811092 13669411 27338822 54677644