551372 has 12 divisors (see below), whose sum is σ = 970200. Its totient is φ = 274176.

The previous prime is 551363. The next prime is 551381. The reversal of 551372 is 273155.

It is an interprime number because it is at equal distance from previous prime (551363) and next prime (551381).

It is a super-2 number, since 2×551372² = 608022164768, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 551372.

It is an unprimeable number.

551372 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (80850).

2⁵⁵¹³⁷² is an apocalyptic number.

It is an amenable number.

551372 is a deficient number, since it is larger than the sum of its proper divisors (418828).

551372 is a wasteful number, since it uses less digits than its factorization.

551372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 758 counting only the distinct ones).

The product of its digits is 1050, while the sum is 23.

The square root of 551372 is about 742.5442747742. The cubic root of 551372 is about 82.0001982942. Note that the first 3 decimals are identical.

The spelling of 551372 in words is "five hundred fifty-one thousand, three hundred seventy-two".