52637401 has 4 divisors (see below), whose sum is σ = 52658100. Its totient is φ = 52616704.

The previous prime is 52637393. The next prime is 52637437. The reversal of 52637401 is 10473625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12960000 + 39677401 = 3600^2 + 6299^2 .

It is a cyclic number.

It is not a de Polignac number, because 52637401 - 2³ = 52637393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52637401.

It is not an unprimeable number, because it can be changed into a prime (52632401) 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, 5896 + ... + 11833.

It is an arithmetic number, because the mean of its divisors is an integer number (13164525).

Almost surely, 2^52637401 is an apocalyptic number.

It is an amenable number.

52637401 is a deficient number, since it is larger than the sum of its proper divisors (20699).

52637401 is a wasteful number, since it uses less digits than its factorization.

52637401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20698.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 52637401 is about 7255.1637472906. The cubic root of 52637401 is about 374.7699946593.

The spelling of 52637401 in words is "fifty-two million, six hundred thirty-seven thousand, four hundred one".