52613418 has 96 divisors (see below), whose sum is σ = 128070720. Its totient is φ = 14277120.

The previous prime is 52613389. The next prime is 52613423. The reversal of 52613418 is 81431625.

It is a Curzon number.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 591118 + ... + 591206.

It is an arithmetic number, because the mean of its divisors is an integer number (1334070).

Almost surely, 2^52613418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52613418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64035360).

52613418 is an abundant number, since it is smaller than the sum of its proper divisors (75457302).

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

52613418 is a wasteful number, since it uses less digits than its factorization.

52613418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 171 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 52613418 is about 7253.5107361884. The cubic root of 52613418 is about 374.7130676199.

The spelling of 52613418 in words is "fifty-two million, six hundred thirteen thousand, four hundred eighteen".