53982864 has 60 divisors (see below), whose sum is σ = 162703996. Its totient is φ = 16609536.

The previous prime is 53982847. The next prime is 53982893. The reversal of 53982864 is 46828935.

It can be written as a sum of positive squares in 2 ways, for example, as 20250000 + 33732864 = 4500^2 + 5808^2 .

It is a super-4 number, since 4×53982864⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12547 + ... + 16290.

Almost surely, 2^53982864 is an apocalyptic number.

It is an amenable number.

53982864 is an abundant number, since it is smaller than the sum of its proper divisors (108721132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53982864 is a wasteful number, since it uses less digits than its factorization.

53982864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28864 (or 28855 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 53982864 is about 7347.3031787180. The cubic root of 53982864 is about 377.9363292439.

The spelling of 53982864 in words is "fifty-three million, nine hundred eighty-two thousand, eight hundred sixty-four".