551512828 has 12 divisors (see below), whose sum is σ = 965972952. Its totient is φ = 275520560.

The previous prime is 551512813. The next prime is 551512873. The reversal of 551512828 is 828215155.

It is a congruent number.

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, 53650 + ... + 63097.

It is an arithmetic number, because the mean of its divisors is an integer number (80497746).

Almost surely, 2^551512828 is an apocalyptic number.

It is an amenable number.

551512828 is a deficient number, since it is larger than the sum of its proper divisors (414460124).

551512828 is a wasteful number, since it uses less digits than its factorization.

551512828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117932 (or 117930 counting only the distinct ones).

The product of its digits is 32000, while the sum is 37.

The square root of 551512828 is about 23484.3102517404. The cubic root of 551512828 is about 820.0717902643.

The spelling of 551512828 in words is "five hundred fifty-one million, five hundred twelve thousand, eight hundred twenty-eight".