55634868 has 36 divisors (see below), whose sum is σ = 144066468. Its totient is φ = 18092160.

The previous prime is 55634809. The next prime is 55634899. The reversal of 55634868 is 86843655.

55634868 is a `hidden beast` number, since 5 + 5 + 634 + 8 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5253264 + 50381604 = 2292^2 + 7098^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17371 + ... + 20322.

Almost surely, 2^55634868 is an apocalyptic number.

It is an amenable number.

55634868 is an abundant number, since it is smaller than the sum of its proper divisors (88431600).

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

55634868 is a wasteful number, since it uses less digits than its factorization.

55634868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37744 (or 37739 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 55634868 is about 7458.8784679736. The cubic root of 55634868 is about 381.7529080130.

The spelling of 55634868 in words is "fifty-five million, six hundred thirty-four thousand, eight hundred sixty-eight".