52637340 has 96 divisors (see below), whose sum is σ = 175795200. Its totient is φ = 11506176.

The previous prime is 52637339. The next prime is 52637369. The reversal of 52637340 is 4373625.

52637340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 52637298 and 52637307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6936 + ... + 12384.

It is an arithmetic number, because the mean of its divisors is an integer number (1831200).

Almost surely, 2^52637340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52637340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87897600).

52637340 is an abundant number, since it is smaller than the sum of its proper divisors (123157860).

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

52637340 is a wasteful number, since it uses less digits than its factorization.

52637340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5491 (or 5489 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 52637340 is about 7255.1595433870. The cubic root of 52637340 is about 374.7698498891.

The spelling of 52637340 in words is "fifty-two million, six hundred thirty-seven thousand, three hundred forty".