52622551 has 4 divisors (see below), whose sum is σ = 54910512. Its totient is φ = 50334592.

The previous prime is 52622539. The next prime is 52622627. The reversal of 52622551 is 15522625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52622551 - 2¹⁵ = 52589783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52622851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143946 + ... + 1143991.

It is an arithmetic number, because the mean of its divisors is an integer number (13727628).

Almost surely, 2^52622551 is an apocalyptic number.

52622551 is a deficient number, since it is larger than the sum of its proper divisors (2287961).

52622551 is a wasteful number, since it uses less digits than its factorization.

52622551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287960.

The product of its digits is 6000, while the sum is 28.

The square root of 52622551 is about 7254.1402660825. The cubic root of 52622551 is about 374.7347481251.

The spelling of 52622551 in words is "fifty-two million, six hundred twenty-two thousand, five hundred fifty-one".