52878556 has 12 divisors (see below), whose sum is σ = 92743168. Its totient is φ = 26380512.

The previous prime is 52878547. The next prime is 52878557. The reversal of 52878556 is 65587825.

It is a super-2 number, since 2×52878556² = 5592283369290272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52878557) 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, 12636 + ... + 16291.

Almost surely, 2^52878556 is an apocalyptic number.

It is an amenable number.

52878556 is a deficient number, since it is larger than the sum of its proper divisors (39864612).

52878556 is a wasteful number, since it uses less digits than its factorization.

52878556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29388 (or 29386 counting only the distinct ones).

The product of its digits is 672000, while the sum is 46.

The square root of 52878556 is about 7271.7642976103. The cubic root of 52878556 is about 375.3414513719.

The spelling of 52878556 in words is "fifty-two million, eight hundred seventy-eight thousand, five hundred fifty-six".