55039156 has 12 divisors (see below), whose sum is σ = 96433792. Its totient is φ = 27486648.

The previous prime is 55039151. The next prime is 55039157. The reversal of 55039156 is 65193055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55039151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4260 + ... + 11323.

Almost surely, 2^55039156 is an apocalyptic number.

It is an amenable number.

55039156 is a deficient number, since it is larger than the sum of its proper divisors (41394636).

55039156 is a wasteful number, since it uses less digits than its factorization.

55039156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16470 (or 16468 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 55039156 is about 7418.8379143906. The cubic root of 55039156 is about 380.3854721872.

The spelling of 55039156 in words is "fifty-five million, thirty-nine thousand, one hundred fifty-six".