52652817720 has 64 divisors (see below), whose sum is σ = 175509396000. Its totient is φ = 14040751104.

The previous prime is 52652817713. The next prime is 52652817733. The reversal of 52652817720 is 2771825625.

52652817720 is a `hidden beast` number, since 52 + 6 + 528 + 1 + 7 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24375225 + ... + 24377384.

Almost surely, 2^52652817720 is an apocalyptic number.

It is an amenable number.

52652817720 is an abundant number, since it is smaller than the sum of its proper divisors (122856578280).

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

52652817720 is a wasteful number, since it uses less digits than its factorization.

52652817720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48752629 (or 48752619 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 52652817720 in words is "fifty-two billion, six hundred fifty-two million, eight hundred seventeen thousand, seven hundred twenty".