55567172 has 48 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 24808608.

The previous prime is 55567151. The next prime is 55567201. The reversal of 55567172 is 27176555.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 144893 + ... + 145275.

It is an arithmetic number, because the mean of its divisors is an integer number (2257920).

Almost surely, 2^55567172 is an apocalyptic number.

It is an amenable number.

55567172 is a deficient number, since it is larger than the sum of its proper divisors (52812988).

55567172 is a wasteful number, since it uses less digits than its factorization.

55567172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 510 counting only the distinct ones).

The product of its digits is 73500, while the sum is 38.

The square root of 55567172 is about 7454.3391390518. The cubic root of 55567172 is about 381.5980073498.

The spelling of 55567172 in words is "fifty-five million, five hundred sixty-seven thousand, one hundred seventy-two".