52615977 has 16 divisors (see below), whose sum is σ = 71608512. Its totient is φ = 34355520.

The previous prime is 52615951. The next prime is 52615987. The reversal of 52615977 is 77951625.

52615977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52615977 - 2⁸ = 52615721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52615907) 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 15 ways as a sum of consecutive naturals, for example, 57558 + ... + 58464.

It is an arithmetic number, because the mean of its divisors is an integer number (4475532).

Almost surely, 2^52615977 is an apocalyptic number.

It is an amenable number.

52615977 is a deficient number, since it is larger than the sum of its proper divisors (18992535).

52615977 is a wasteful number, since it uses less digits than its factorization.

52615977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288.

The product of its digits is 132300, while the sum is 42.

The square root of 52615977 is about 7253.6871313836. The cubic root of 52615977 is about 374.7191425924.

The spelling of 52615977 in words is "fifty-two million, six hundred fifteen thousand, nine hundred seventy-seven".