52807788 has 108 divisors (see below), whose sum is σ = 152497800. Its totient is φ = 15966720.

The previous prime is 52807771. The next prime is 52807801. The reversal of 52807788 is 88770825.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (108).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117388 + ... + 117836.

Almost surely, 2^52807788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52807788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76248900).

52807788 is an abundant number, since it is smaller than the sum of its proper divisors (99690012).

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

52807788 is a wasteful number, since it uses less digits than its factorization.

52807788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 52807788 is about 7266.8967241870. The cubic root of 52807788 is about 375.1739353115.

The spelling of 52807788 in words is "fifty-two million, eight hundred seven thousand, seven hundred eighty-eight".