52622815 has 12 divisors (see below), whose sum is σ = 73457496. Its totient is φ = 36084048.

The previous prime is 52622813. The next prime is 52622819. The reversal of 52622815 is 51822625.

It is not a de Polignac number, because 52622815 - 2¹ = 52622813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52622813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107149 + ... + 107638.

It is an arithmetic number, because the mean of its divisors is an integer number (6121458).

Almost surely, 2^52622815 is an apocalyptic number.

52622815 is a deficient number, since it is larger than the sum of its proper divisors (20834681).

52622815 is a wasteful number, since it uses less digits than its factorization.

52622815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214806 (or 214799 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 52622815 is about 7254.1584625648. The cubic root of 52622815 is about 374.7353747881.

The spelling of 52622815 in words is "fifty-two million, six hundred twenty-two thousand, eight hundred fifteen".