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54808806 = 231319311193
BaseRepresentation
bin1101000100010…
…1000011100110
310211010120112210
43101011003212
5103012340211
65234424250
71233603303
oct321050346
9124116483
1054808806
1128a35738
1216432086
13b480160
1473ca0aa
154c299a6
hex34450e6

54808806 has 64 divisors (see below), whose sum is σ = 128378880. Its totient is φ = 15448320.

The previous prime is 54808771. The next prime is 54808807. The reversal of 54808806 is 60880845.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54808807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45346 + ... + 46538.

It is an arithmetic number, because the mean of its divisors is an integer number (2005920).

Almost surely, 254808806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54808806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64189440).

54808806 is an abundant number, since it is smaller than the sum of its proper divisors (73570074).

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

54808806 is a wasteful number, since it uses less digits than its factorization.

54808806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 54808806 is about 7403.2969682433. The cubic root of 54808806 is about 379.8540667708.

The spelling of 54808806 in words is "fifty-four million, eight hundred eight thousand, eight hundred six".

Divisors: 1 2 3 6 13 19 26 31 38 39 57 62 78 93 114 186 247 403 494 589 741 806 1178 1193 1209 1482 1767 2386 2418 3534 3579 7158 7657 15314 15509 22667 22971 31018 36983 45334 45942 46527 68001 73966 93054 110949 136002 221898 294671 480779 589342 702677 884013 961558 1405354 1442337 1768026 2108031 2884674 4216062 9134801 18269602 27404403 54808806