551880531 has 12 divisors (see below), whose sum is σ = 801169200. Its totient is φ = 366070320.

The previous prime is 551880523. The next prime is 551880547. The reversal of 551880531 is 135088155.

It is not a de Polignac number, because 551880531 - 2³ = 551880523 is a prime.

It is a super-2 number, since 2×551880531² = 609144240993683922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551880521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152280 + ... + 155861.

It is an arithmetic number, because the mean of its divisors is an integer number (66764100).

Almost surely, 2^551880531 is an apocalyptic number.

551880531 is a deficient number, since it is larger than the sum of its proper divisors (249288669).

551880531 is a wasteful number, since it uses less digits than its factorization.

551880531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308346 (or 308343 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The square root of 551880531 is about 23492.1376421985. The cubic root of 551880531 is about 820.2540017212.

The spelling of 551880531 in words is "five hundred fifty-one million, eight hundred eighty thousand, five hundred thirty-one".