52640112 has 60 divisors (see below), whose sum is σ = 158195976. Its totient is φ = 15039360.

The previous prime is 52640101. The next prime is 52640129. The reversal of 52640112 is 21104625.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8839 + ... + 13542.

Almost surely, 2^52640112 is an apocalyptic number.

It is an amenable number.

52640112 is an abundant number, since it is smaller than the sum of its proper divisors (105555864).

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

52640112 is a wasteful number, since it uses less digits than its factorization.

52640112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22406 (or 22393 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 52640112 is about 7255.3505773326. The cubic root of 52640112 is about 374.7764285130.

Adding to 52640112 its reverse (21104625), we get a palindrome (73744737).

The spelling of 52640112 in words is "fifty-two million, six hundred forty thousand, one hundred twelve".