55692872 has 8 divisors (see below), whose sum is σ = 104424150. Its totient is φ = 27846432.

The previous prime is 55692859. The next prime is 55692887. The reversal of 55692872 is 27829655.

It can be written as a sum of positive squares in only one way, i.e., 32787076 + 22905796 = 5726^2 + 4786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3480797 + ... + 3480812.

Almost surely, 2^55692872 is an apocalyptic number.

It is an amenable number.

55692872 is a deficient number, since it is larger than the sum of its proper divisors (48731278).

55692872 is a wasteful number, since it uses less digits than its factorization.

55692872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6961615 (or 6961611 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 55692872 is about 7462.7657071625. The cubic root of 55692872 is about 381.8855317048.

The spelling of 55692872 in words is "fifty-five million, six hundred ninety-two thousand, eight hundred seventy-two".