52645480 has 32 divisors (see below), whose sum is σ = 118709640. Its totient is φ = 21012480.

The previous prime is 52645441. The next prime is 52645507. The reversal of 52645480 is 8454625.

It can be written as a sum of positive squares in 4 ways, for example, as 52446564 + 198916 = 7242^2 + 446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21940 + ... + 24220.

Almost surely, 2^52645480 is an apocalyptic number.

It is an amenable number.

52645480 is an abundant number, since it is smaller than the sum of its proper divisors (66064160).

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

52645480 is a wasteful number, since it uses less digits than its factorization.

52645480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2865 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 52645480 is about 7255.7205017834. The cubic root of 52645480 is about 374.7891674138.

The spelling of 52645480 in words is "fifty-two million, six hundred forty-five thousand, four hundred eighty".