52255616 has 32 divisors (see below), whose sum is σ = 118976880. Its totient is φ = 22394880.

The previous prime is 52255613. The next prime is 52255639. The reversal of 52255616 is 61655225.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52255613) 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, 28265 + ... + 30056.

Almost surely, 2^52255616 is an apocalyptic number.

52255616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52255616 is an abundant number, since it is smaller than the sum of its proper divisors (66721264).

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

52255616 is an equidigital number, since it uses as much as digits as its factorization.

52255616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58342 (or 58330 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 52255616 is about 7228.8046038055. The cubic root of 52255616 is about 373.8617121499.

The spelling of 52255616 in words is "fifty-two million, two hundred fifty-five thousand, six hundred sixteen".