55361172 has 24 divisors (see below), whose sum is σ = 129556000. Its totient is φ = 18399456.

The previous prime is 55361171. The next prime is 55361177. The reversal of 55361172 is 27116355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55361171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422 + ... + 10797.

Almost surely, 2^55361172 is an apocalyptic number.

It is an amenable number.

55361172 is an abundant number, since it is smaller than the sum of its proper divisors (74194828).

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

55361172 is a wasteful number, since it uses less digits than its factorization.

55361172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575 (or 13573 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 55361172 is about 7440.5088535664. The cubic root of 55361172 is about 381.1258668882.

The spelling of 55361172 in words is "fifty-five million, three hundred sixty-one thousand, one hundred seventy-two".