55672172 has 6 divisors (see below), whose sum is σ = 97426308. Its totient is φ = 27836084.

The previous prime is 55672171. The next prime is 55672181. The reversal of 55672172 is 27127655.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55672171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6959018 + ... + 6959025.

It is an arithmetic number, because the mean of its divisors is an integer number (16237718).

Almost surely, 2^55672172 is an apocalyptic number.

It is an amenable number.

55672172 is a deficient number, since it is larger than the sum of its proper divisors (41754136).

55672172 is a wasteful number, since it uses less digits than its factorization.

55672172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13918047 (or 13918045 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 55672172 is about 7461.3786929763. The cubic root of 55672172 is about 381.8382126027.

The spelling of 55672172 in words is "fifty-five million, six hundred seventy-two thousand, one hundred seventy-two".