55157204 has 12 divisors (see below), whose sum is σ = 96600000. Its totient is φ = 27557208.

The previous prime is 55157203. The next prime is 55157213. The reversal of 55157204 is 40275155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55157203) 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, 1397 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (8050000).

Almost surely, 2^55157204 is an apocalyptic number.

It is an amenable number.

55157204 is a deficient number, since it is larger than the sum of its proper divisors (41442796).

55157204 is a wasteful number, since it uses less digits than its factorization.

55157204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702 (or 10700 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 55157204 is about 7426.7896159781. The cubic root of 55157204 is about 380.6572282877.

The spelling of 55157204 in words is "fifty-five million, one hundred fifty-seven thousand, two hundred four".