52978863 has 16 divisors (see below), whose sum is σ = 80891136. Its totient is φ = 30213120.

The previous prime is 52978819. The next prime is 52978879. The reversal of 52978863 is 36887925.

52978863 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 52978863 - 2⁶ = 52978799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52978663) 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 15 ways as a sum of consecutive naturals, for example, 9583 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (5055696).

Almost surely, 2^52978863 is an apocalyptic number.

52978863 is a deficient number, since it is larger than the sum of its proper divisors (27912273).

52978863 is a wasteful number, since it uses less digits than its factorization.

52978863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054.

The product of its digits is 725760, while the sum is 48.

The square root of 52978863 is about 7278.6580493934. The cubic root of 52978863 is about 375.5786338063.

The spelling of 52978863 in words is "fifty-two million, nine hundred seventy-eight thousand, eight hundred sixty-three".