551872432 has 10 divisors (see below), whose sum is σ = 1069252868. Its totient is φ = 275936208.

The previous prime is 551872417. The next prime is 551872441. The reversal of 551872432 is 234278155.

It is a junction number, because it is equal to n+sod(n) for n = 551872391 and 551872400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17245998 + ... + 17246029.

Almost surely, 2^551872432 is an apocalyptic number.

It is an amenable number.

551872432 is a deficient number, since it is larger than the sum of its proper divisors (517380436).

551872432 is a wasteful number, since it uses less digits than its factorization.

551872432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34492035 (or 34492029 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 551872432 is about 23491.9652647453. The cubic root of 551872432 is about 820.2499892166.

The spelling of 551872432 in words is "five hundred fifty-one million, eight hundred seventy-two thousand, four hundred thirty-two".