551022057 has 24 divisors (see below), whose sum is σ = 802515168. Its totient is φ = 364320000.

The previous prime is 551022049. The next prime is 551022067. The reversal of 551022057 is 750220155.

It is a happy number.

It is not a de Polignac number, because 551022057 - 2³ = 551022049 is a prime.

It is a super-2 number, since 2×551022057² = 607250614601022498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 551022057.

It is not an unprimeable number, because it can be changed into a prime (551022007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 797082 + ... + 797772.

It is an arithmetic number, because the mean of its divisors is an integer number (33438132).

Almost surely, 2^551022057 is an apocalyptic number.

It is an amenable number.

551022057 is a deficient number, since it is larger than the sum of its proper divisors (251493111).

551022057 is a wasteful number, since it uses less digits than its factorization.

551022057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 551022057 is about 23473.8590138051. The cubic root of 551022057 is about 819.8284674913.

The spelling of 551022057 in words is "five hundred fifty-one million, twenty-two thousand, fifty-seven".