55163272 has 16 divisors (see below), whose sum is σ = 103516560. Its totient is φ = 27558864.

The previous prime is 55163267. The next prime is 55163321. The reversal of 55163272 is 27236155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12003 + ... + 15949.

It is an arithmetic number, because the mean of its divisors is an integer number (6469785).

Almost surely, 2^55163272 is an apocalyptic number.

It is an amenable number.

55163272 is a deficient number, since it is larger than the sum of its proper divisors (48353288).

55163272 is a wasteful number, since it uses less digits than its factorization.

55163272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700 (or 5696 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 55163272 is about 7427.1981258076. The cubic root of 55163272 is about 380.6711868352.

The spelling of 55163272 in words is "fifty-five million, one hundred sixty-three thousand, two hundred seventy-two".