52010102172 has 48 divisors (see below), whose sum is σ = 138724895232. Its totient is φ = 14856676800.

The previous prime is 52010102153. The next prime is 52010102201. The reversal of 52010102172 is 27120101025.

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 15 ways as a sum of consecutive naturals, for example, 317422 + ... + 452522.

It is an arithmetic number, because the mean of its divisors is an integer number (2890101984).

Almost surely, 2^52010102172 is an apocalyptic number.

It is an amenable number.

52010102172 is an abundant number, since it is smaller than the sum of its proper divisors (86714793060).

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

52010102172 is a wasteful number, since it uses less digits than its factorization.

52010102172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139698 (or 139696 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

Adding to 52010102172 its reverse (27120101025), we get a palindrome (79130203197).

The spelling of 52010102172 in words is "fifty-two billion, ten million, one hundred two thousand, one hundred seventy-two".