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53444464 = 2417349563
BaseRepresentation
bin1100101111011…
…1111101110000
310201120021000121
43023313331300
5102140210324
65145300024
71216161523
oct313677560
9121507017
1053444464
1128193687
1215a94614
13b0c3158
147152bba
154a5a5e4
hex32f7f70

53444464 has 40 divisors (see below), whose sum is σ = 110149200. Its totient is φ = 25033728.

The previous prime is 53444459. The next prime is 53444471. The reversal of 53444464 is 46444435.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94647 + ... + 95209.

It is an arithmetic number, because the mean of its divisors is an integer number (2753730).

Almost surely, 253444464 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 53444464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55074600).

53444464 is an abundant number, since it is smaller than the sum of its proper divisors (56704736).

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

53444464 is a wasteful number, since it uses less digits than its factorization.

53444464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 931 counting only the distinct ones).

The product of its digits is 92160, while the sum is 34.

The square root of 53444464 is about 7310.5720706385. The cubic root of 53444464 is about 376.6756750745.

Adding to 53444464 its reverse (46444435), we get a palindrome (99888899).

The spelling of 53444464 in words is "fifty-three million, four hundred forty-four thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 349 563 698 1126 1396 2252 2792 4504 5584 5933 9008 9571 11866 19142 23732 38284 47464 76568 94928 153136 196487 392974 785948 1571896 3143792 3340279 6680558 13361116 26722232 53444464