55372597 has 6 divisors (see below), whose sum is σ = 64413078. Its totient is φ = 47462184.

The previous prime is 55372589. The next prime is 55372613. The reversal of 55372597 is 79527355.

It can be written as a sum of positive squares in only one way, i.e., 55264356 + 108241 = 7434^2 + 329^2 .

It is not a de Polignac number, because 55372597 - 2³ = 55372589 is a prime.

It is a super-2 number, since 2×55372597² = 6132248997048818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55373597) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564978 + ... + 565075.

It is an arithmetic number, because the mean of its divisors is an integer number (10735513).

Almost surely, 2^55372597 is an apocalyptic number.

It is an amenable number.

55372597 is a deficient number, since it is larger than the sum of its proper divisors (9040481).

55372597 is a wasteful number, since it uses less digits than its factorization.

55372597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130067 (or 1130060 counting only the distinct ones).

The product of its digits is 330750, while the sum is 43.

The square root of 55372597 is about 7441.2765705892. The cubic root of 55372597 is about 381.1520829970.

The spelling of 55372597 in words is "fifty-five million, three hundred seventy-two thousand, five hundred ninety-seven".