55369172 has 6 divisors (see below), whose sum is σ = 96896058. Its totient is φ = 27684584.

The previous prime is 55369157. The next prime is 55369177. The reversal of 55369172 is 27196355.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55294096 + 75076 = 7436^2 + 274^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55369177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6921143 + ... + 6921150.

It is an arithmetic number, because the mean of its divisors is an integer number (16149343).

Almost surely, 2^55369172 is an apocalyptic number.

It is an amenable number.

55369172 is a deficient number, since it is larger than the sum of its proper divisors (41526886).

55369172 is a wasteful number, since it uses less digits than its factorization.

55369172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13842297 (or 13842295 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 55369172 is about 7441.0464317863. The cubic root of 55369172 is about 381.1442242794.

The spelling of 55369172 in words is "fifty-five million, three hundred sixty-nine thousand, one hundred seventy-two".