52452040 has 16 divisors (see below), whose sum is σ = 118017180. Its totient is φ = 20980800.

The previous prime is 52452019. The next prime is 52452077. The reversal of 52452040 is 4025425.

It can be written as a sum of positive squares in 2 ways, for example, as 52446564 + 5476 = 7242^2 + 74^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655611 + ... + 655690.

Almost surely, 2^52452040 is an apocalyptic number.

It is an amenable number.

52452040 is an abundant number, since it is smaller than the sum of its proper divisors (65565140).

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

52452040 is a wasteful number, since it uses less digits than its factorization.

52452040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311312 (or 1311308 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 52452040 is about 7242.3780624875. The cubic root of 52452040 is about 374.3295635691.

Adding to 52452040 its reverse (4025425), we get a palindrome (56477465).

The spelling of 52452040 in words is "fifty-two million, four hundred fifty-two thousand, forty".