52200602172 has 48 divisors (see below), whose sum is σ = 136021929120. Its totient is φ = 17311867776.

The previous prime is 52200602117. The next prime is 52200602173. The reversal of 52200602172 is 27120600225.

52200602172 is a `hidden beast` number, since 52 + 2 + 0 + 0 + 602 + 1 + 7 + 2 = 666.

It is a super-2 number, since 2×52200602172² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52200602173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205473 + ... + 1248024.

It is an arithmetic number, because the mean of its divisors is an integer number (2833790190).

Almost surely, 2^52200602172 is an apocalyptic number.

It is an amenable number.

52200602172 is an abundant number, since it is smaller than the sum of its proper divisors (83821326948).

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

52200602172 is a wasteful number, since it uses less digits than its factorization.

52200602172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453707 (or 2453699 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 52200602172 in words is "fifty-two billion, two hundred million, six hundred two thousand, one hundred seventy-two".