52971964 has 24 divisors (see below), whose sum is σ = 94445568. Its totient is φ = 25991280.

The previous prime is 52971937. The next prime is 52971977. The reversal of 52971964 is 46917925.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (136080) is a multiple of the sum of its prime factors (945).

It is a self number, because there is not a number n which added to its sum of digits gives 52971964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108529 + ... + 109015.

It is an arithmetic number, because the mean of its divisors is an integer number (3935232).

Almost surely, 2^52971964 is an apocalyptic number.

It is an amenable number.

52971964 is a deficient number, since it is larger than the sum of its proper divisors (41473604).

52971964 is a wasteful number, since it uses less digits than its factorization.

52971964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 943 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 52971964 is about 7278.1841141867. The cubic root of 52971964 is about 375.5623302636.

It can be divided in two parts, 52971 and 964, that added together give a palindrome (53935).

The spelling of 52971964 in words is "fifty-two million, nine hundred seventy-one thousand, nine hundred sixty-four".