52977915 has 32 divisors (see below), whose sum is σ = 97228800. Its totient is φ = 27341280.

The previous prime is 52977913. The next prime is 52977919. The reversal of 52977915 is 51977925.

52977915 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 52977915 - 2¹ = 52977913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (52977913) 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 31 ways as a sum of consecutive naturals, for example, 2145 + ... + 10514.

It is an arithmetic number, because the mean of its divisors is an integer number (3038400).

Almost surely, 2^52977915 is an apocalyptic number.

52977915 is a deficient number, since it is larger than the sum of its proper divisors (44250885).

52977915 is a wasteful number, since it uses less digits than its factorization.

52977915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704 (or 12698 counting only the distinct ones).

The product of its digits is 198450, while the sum is 45.

The square root of 52977915 is about 7278.5929272078. The cubic root of 52977915 is about 375.5763936005.

The spelling of 52977915 in words is "fifty-two million, nine hundred seventy-seven thousand, nine hundred fifteen".