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55410972 = 2234617581
BaseRepresentation
bin1101001101100…
…0000100011100
310212021011120020
43103120010130
5103141122342
65255352140
71241662011
oct323300434
9125234506
1055410972
11293070a1
1216682650
13b631276
147505708
154ce80ec
hex34d811c

55410972 has 12 divisors (see below), whose sum is σ = 129292296. Its totient is φ = 18470320.

The previous prime is 55410947. The next prime is 55410977. The reversal of 55410972 is 27901455.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55410977) 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 3 ways as a sum of consecutive naturals, for example, 2308779 + ... + 2308802.

It is an arithmetic number, because the mean of its divisors is an integer number (10774358).

Almost surely, 255410972 is an apocalyptic number.

It is an amenable number.

55410972 is an abundant number, since it is smaller than the sum of its proper divisors (73881324).

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

55410972 is a wasteful number, since it uses less digits than its factorization.

55410972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617588 (or 4617586 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 55410972 is about 7443.8546466196. The cubic root of 55410972 is about 381.2401129031.

The spelling of 55410972 in words is "fifty-five million, four hundred ten thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 4617581 9235162 13852743 18470324 27705486 55410972