55262172 has 48 divisors (see below), whose sum is σ = 156038400. Its totient is φ = 14860032.

The previous prime is 55262167. The next prime is 55262191. The reversal of 55262172 is 27126255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17922 + ... + 20777.

It is an arithmetic number, because the mean of its divisors is an integer number (3250800).

Almost surely, 2^55262172 is an apocalyptic number.

It is an amenable number.

55262172 is an abundant number, since it is smaller than the sum of its proper divisors (100776228).

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

55262172 is a wasteful number, since it uses less digits than its factorization.

55262172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38730 (or 38728 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 55262172 is about 7433.8531058933. The cubic root of 55262172 is about 380.8985476738.

The spelling of 55262172 in words is "fifty-five million, two hundred sixty-two thousand, one hundred seventy-two".