52556553 has 32 divisors (see below), whose sum is σ = 89323520. Its totient is φ = 29918160.

The previous prime is 52556533. The next prime is 52556561. The reversal of 52556553 is 35565525.

52556553 is a `hidden beast` number, since 52 + 5 + 56 + 553 = 666.

It is not a de Polignac number, because 52556553 - 2¹⁶ = 52491017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52556533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91758 + ... + 92328.

It is an arithmetic number, because the mean of its divisors is an integer number (2791360).

Almost surely, 2^52556553 is an apocalyptic number.

It is an amenable number.

52556553 is a deficient number, since it is larger than the sum of its proper divisors (36766967).

52556553 is a wasteful number, since it uses less digits than its factorization.

52556553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1068 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 52556553 is about 7249.5898504674. The cubic root of 52556553 is about 374.5780213355.

The spelling of 52556553 in words is "fifty-two million, five hundred fifty-six thousand, five hundred fifty-three".