55372510 has 16 divisors (see below), whose sum is σ = 102886272. Its totient is φ = 21434400.

The previous prime is 55372489. The next prime is 55372511. The reversal of 55372510 is 1527355.

It is a super-2 number, since 2×55372510² = 6132229727400200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55372511) 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, 89001 + ... + 89620.

It is an arithmetic number, because the mean of its divisors is an integer number (6430392).

Almost surely, 2^55372510 is an apocalyptic number.

55372510 is a deficient number, since it is larger than the sum of its proper divisors (47513762).

55372510 is a wasteful number, since it uses less digits than its factorization.

55372510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178659.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55372510 is about 7441.2707248158. The cubic root of 55372510 is about 381.1518833781.

Adding to 55372510 its reverse (1527355), we get a palindrome (56899865).

The spelling of 55372510 in words is "fifty-five million, three hundred seventy-two thousand, five hundred ten".