551878332 has 24 divisors (see below), whose sum is σ = 1355491200. Its totient is φ = 174277296.

The previous prime is 551878331. The next prime is 551878339. The reversal of 551878332 is 233878155.

It is a super-2 number, since 2×551878332² = 609139386662204448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551878331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210032 + ... + 1210487.

It is an arithmetic number, because the mean of its divisors is an integer number (56478800).

Almost surely, 2^551878332 is an apocalyptic number.

It is an amenable number.

551878332 is an abundant number, since it is smaller than the sum of its proper divisors (803612868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551878332 is a wasteful number, since it uses less digits than its factorization.

551878332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420545 (or 2420543 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 551878332 is about 23492.0908392591. The cubic root of 551878332 is about 820.2529122699.

The spelling of 551878332 in words is "five hundred fifty-one million, eight hundred seventy-eight thousand, three hundred thirty-two".