551125053 has 10 divisors (see below), whose sum is σ = 823285694. Its totient is φ = 367416648.

The previous prime is 551125021. The next prime is 551125073. The reversal of 551125053 is 350521155.

551125053 is a `hidden beast` number, since 551 + 12 + 50 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 349428249 + 201696804 = 18693^2 + 14202^2 .

It is not a de Polignac number, because 551125053 - 2⁵ = 551125021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551125013) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3401926 + ... + 3402087.

Almost surely, 2^551125053 is an apocalyptic number.

It is an amenable number.

551125053 is a deficient number, since it is larger than the sum of its proper divisors (272160641).

551125053 is an equidigital number, since it uses as much as digits as its factorization.

551125053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804025 (or 6804016 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 551125053 is about 23476.0527559469. The cubic root of 551125053 is about 819.8795445709.

The spelling of 551125053 in words is "five hundred fifty-one million, one hundred twenty-five thousand, fifty-three".