551537152 has 20 divisors (see below), whose sum is σ = 1101998106. Its totient is φ = 275768320.

The previous prime is 551537141. The next prime is 551537177. The reversal of 551537152 is 251735155.

It can be written as a sum of positive squares in only one way, i.e., 399360256 + 152176896 = 19984^2 + 12336^2 .

It is a super-2 number, since 2×551537152² = 608386460072542208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538099 + ... + 539122.

Almost surely, 2^551537152 is an apocalyptic number.

It is an amenable number.

551537152 is a deficient number, since it is larger than the sum of its proper divisors (550460954).

551537152 is an equidigital number, since it uses as much as digits as its factorization.

551537152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077239 (or 1077223 counting only the distinct ones).

The product of its digits is 26250, while the sum is 34.

The square root of 551537152 is about 23484.8281237057. The cubic root of 551537152 is about 820.0838462746.

The spelling of 551537152 in words is "five hundred fifty-one million, five hundred thirty-seven thousand, one hundred fifty-two".