52170802028772 has 48 divisors (see below), whose sum is σ = 141402829556352. Its totient is φ = 14661583706880.

The previous prime is 52170802028743. The next prime is 52170802028773. The reversal of 52170802028772 is 27782020807125.

It is a super-2 number, since 2×52170802028772² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52170802028773) 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, 5090822553 + ... + 5090832800.

It is an arithmetic number, because the mean of its divisors is an integer number (2945892282424).

Almost surely, 2^{52170802028772} is an apocalyptic number.

It is an amenable number.

52170802028772 is an abundant number, since it is smaller than the sum of its proper divisors (89232027527580).

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

52170802028772 is a wasteful number, since it uses less digits than its factorization.

52170802028772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181655428 (or 10181655426 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 51.

The spelling of 52170802028772 in words is "fifty-two trillion, one hundred seventy billion, eight hundred two million, twenty-eight thousand, seven hundred seventy-two".