53256616 has 32 divisors (see below), whose sum is σ = 117210240. Its totient is φ = 22206528.

The previous prime is 53256583. The next prime is 53256629. The reversal of 53256616 is 61665235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10780 + ... + 14923.

It is an arithmetic number, because the mean of its divisors is an integer number (3662820).

Almost surely, 2^53256616 is an apocalyptic number.

53256616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53256616 is an abundant number, since it is smaller than the sum of its proper divisors (63953624).

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

53256616 is a wasteful number, since it uses less digits than its factorization.

53256616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25753 (or 25749 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 53256616 is about 7297.7130664339. The cubic root of 53256616 is about 376.2338405071.

The spelling of 53256616 in words is "fifty-three million, two hundred fifty-six thousand, six hundred sixteen".