52156555 has 16 divisors (see below), whose sum is σ = 68428800. Its totient is φ = 37848160.

The previous prime is 52156547. The next prime is 52156579. The reversal of 52156555 is 55565125.

It is not a de Polignac number, because 52156555 - 2³ = 52156547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52156555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35526 + ... + 36964.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^52156555 is an apocalyptic number.

52156555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52156555 is a deficient number, since it is larger than the sum of its proper divisors (16272245).

52156555 is a wasteful number, since it uses less digits than its factorization.

52156555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114.

The product of its digits is 37500, while the sum is 34.

The square root of 52156555 is about 7221.9495290399. The cubic root of 52156555 is about 373.6253194259.

The spelling of 52156555 in words is "fifty-two million, one hundred fifty-six thousand, five hundred fifty-five".