52976945 has 16 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 35640384.

The previous prime is 52976929. The next prime is 52976951. The reversal of 52976945 is 54967925.

It is a cyclic number.

It is not a de Polignac number, because 52976945 - 2⁴ = 52976929 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52976945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12425 + ... + 16134.

It is an arithmetic number, because the mean of its divisors is an integer number (4626720).

Almost surely, 2^52976945 is an apocalyptic number.

It is an amenable number.

52976945 is a deficient number, since it is larger than the sum of its proper divisors (21050575).

52976945 is a wasteful number, since it uses less digits than its factorization.

52976945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28624.

The product of its digits is 680400, while the sum is 47.

The square root of 52976945 is about 7278.5262931448. The cubic root of 52976945 is about 375.5741013792.

The spelling of 52976945 in words is "fifty-two million, nine hundred seventy-six thousand, nine hundred forty-five".