52259616 has 36 divisors (see below), whose sum is σ = 148614102. Its totient is φ = 17419776.

The previous prime is 52259573. The next prime is 52259659. The reversal of 52259616 is 61695225.

52259616 is a `hidden beast` number, since 52 + 2 + 596 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (52259573) and next prime (52259659).

It can be written as a sum of positive squares in only one way, i.e., 31136400 + 21123216 = 5580^2 + 4596^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90441 + ... + 91016.

Almost surely, 2^52259616 is an apocalyptic number.

It is an amenable number.

52259616 is an abundant number, since it is smaller than the sum of its proper divisors (96354486).

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

52259616 is a wasteful number, since it uses less digits than its factorization.

52259616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181473 (or 181462 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 52259616 is about 7229.0812694284. The cubic root of 52259616 is about 373.8712512120.

It can be divided in two parts, 5225 and 9616, that added together give a palindrome (14841).

The spelling of 52259616 in words is "fifty-two million, two hundred fifty-nine thousand, six hundred sixteen".