52005072 has 60 divisors (see below), whose sum is σ = 156287616. Its totient is φ = 14857920.

The previous prime is 52005059. The next prime is 52005089. The reversal of 52005072 is 27050025.

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, 8704 + ... + 13407.

Almost surely, 2^52005072 is an apocalyptic number.

It is an amenable number.

52005072 is an abundant number, since it is smaller than the sum of its proper divisors (104282544).

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

52005072 is a wasteful number, since it uses less digits than its factorization.

52005072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22136 (or 22123 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 52005072 is about 7211.4542222772. The cubic root of 52005072 is about 373.2632507337.

Adding to 52005072 its reverse (27050025), we get a palindrome (79055097).

The spelling of 52005072 in words is "fifty-two million, five thousand, seventy-two".