52978937 has 4 divisors (see below), whose sum is σ = 57795216. Its totient is φ = 48162660.

The previous prime is 52978909. The next prime is 52978943. The reversal of 52978937 is 73987925.

It is a happy number.

52978937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 52978937 - 2¹⁰ = 52977913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52978957) 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 3 ways as a sum of consecutive naturals, for example, 2408123 + ... + 2408144.

It is an arithmetic number, because the mean of its divisors is an integer number (14448804).

Almost surely, 2^52978937 is an apocalyptic number.

It is an amenable number.

52978937 is a deficient number, since it is larger than the sum of its proper divisors (4816279).

52978937 is a wasteful number, since it uses less digits than its factorization.

52978937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816278.

The product of its digits is 952560, while the sum is 50.

The square root of 52978937 is about 7278.6631327463. The cubic root of 52978937 is about 375.5788086736.

The spelling of 52978937 in words is "fifty-two million, nine hundred seventy-eight thousand, nine hundred thirty-seven".