52976397 has 4 divisors (see below), whose sum is σ = 70635200. Its totient is φ = 35317596.

The previous prime is 52976381. The next prime is 52976401. The reversal of 52976397 is 79367925.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52976397 - 2⁴ = 52976381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52976197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8829397 + ... + 8829402.

It is an arithmetic number, because the mean of its divisors is an integer number (17658800).

Almost surely, 2^52976397 is an apocalyptic number.

It is an amenable number.

52976397 is a deficient number, since it is larger than the sum of its proper divisors (17658803).

52976397 is a wasteful number, since it uses less digits than its factorization.

52976397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17658802.

The product of its digits is 714420, while the sum is 48.

The square root of 52976397 is about 7278.4886480642. The cubic root of 52976397 is about 375.5728063799.

The spelling of 52976397 in words is "fifty-two million, nine hundred seventy-six thousand, three hundred ninety-seven".