52878553 has 16 divisors (see below), whose sum is σ = 65874816. Its totient is φ = 41328000.

The previous prime is 52878547. The next prime is 52878557. The reversal of 52878553 is 35587825.

It is a de Polignac number, because none of the positive numbers 2^k-52878553 is a prime.

It is a super-2 number, since 2×52878553² = 5592282734747618, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 4053 + ... + 11053.

It is an arithmetic number, because the mean of its divisors is an integer number (4117176).

Almost surely, 2^52878553 is an apocalyptic number.

It is an amenable number.

52878553 is a deficient number, since it is larger than the sum of its proper divisors (12996263).

52878553 is a wasteful number, since it uses less digits than its factorization.

52878553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104.

The product of its digits is 336000, while the sum is 43.

The square root of 52878553 is about 7271.7640913330. The cubic root of 52878553 is about 375.3414442737.

The spelling of 52878553 in words is "fifty-two million, eight hundred seventy-eight thousand, five hundred fifty-three".