52170171870385 has 32 divisors (see below), whose sum is σ = 63431729399808. Its totient is φ = 41185642004160.

The previous prime is 52170171870371. The next prime is 52170171870437. The reversal of 52170171870385 is 58307817107125.

It is not a de Polignac number, because 52170171870385 - 2⁵ = 52170171870353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1636284654 + ... + 1636316536.

It is an arithmetic number, because the mean of its divisors is an integer number (1982241543744).

Almost surely, 2^{52170171870385} is an apocalyptic number.

It is an amenable number.

52170171870385 is a deficient number, since it is larger than the sum of its proper divisors (11261557529423).

52170171870385 is a wasteful number, since it uses less digits than its factorization.

52170171870385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36405.

The product of its (nonzero) digits is 3292800, while the sum is 55.

The spelling of 52170171870385 in words is "fifty-two trillion, one hundred seventy billion, one hundred seventy-one million, eight hundred seventy thousand, three hundred eighty-five".