551557832 has 16 divisors (see below), whose sum is σ = 1181909760. Its totient is φ = 236381904.

The previous prime is 551557829. The next prime is 551557841. The reversal of 551557832 is 238755155.

It is a self number, because there is not a number n which added to its sum of digits gives 551557832.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4924568 + ... + 4924679.

It is an arithmetic number, because the mean of its divisors is an integer number (73869360).

Almost surely, 2^551557832 is an apocalyptic number.

It is an amenable number.

551557832 is an abundant number, since it is smaller than the sum of its proper divisors (630351928).

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

551557832 is a wasteful number, since it uses less digits than its factorization.

551557832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849260 (or 9849256 counting only the distinct ones).

The product of its digits is 210000, while the sum is 41.

The square root of 551557832 is about 23485.2684038314. The cubic root of 551557832 is about 820.0940958845.

The spelling of 551557832 in words is "five hundred fifty-one million, five hundred fifty-seven thousand, eight hundred thirty-two".