551566053 has 6 divisors (see below), whose sum is σ = 796706534. Its totient is φ = 367710696.

The previous prime is 551565997. The next prime is 551566073. The reversal of 551566053 is 350665155.

551566053 is a `hidden beast` number, since 551 + 56 + 6 + 0 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 403286724 + 148279329 = 20082^2 + 12177^2 .

It is not a de Polignac number, because 551566053 - 2⁸ = 551565797 is a prime.

It is a super-2 number, since 2×551566053² = 608450221643997618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551565999 and 551566017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551566073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30642550 + ... + 30642567.

Almost surely, 2^551566053 is an apocalyptic number.

It is an amenable number.

551566053 is a deficient number, since it is larger than the sum of its proper divisors (245140481).

551566053 is a wasteful number, since it uses less digits than its factorization.

551566053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61285123 (or 61285120 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The square root of 551566053 is about 23485.4434277916. The cubic root of 551566053 is about 820.0981703802.

The spelling of 551566053 in words is "five hundred fifty-one million, five hundred sixty-six thousand, fifty-three".