52170544071481 has 16 divisors (see below), whose sum is σ = 59413074352128. Its totient is φ = 45346393642000.

The previous prime is 52170544071467. The next prime is 52170544071487. The reversal of 52170544071481 is 18417044507125.

It is not a de Polignac number, because 52170544071481 - 2⁵ = 52170544071449 is a prime.

It is a super-2 number, since 2×52170544071481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52170544071487) 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, 43260511 + ... + 44450116.

It is an arithmetic number, because the mean of its divisors is an integer number (3713317147008).

Almost surely, 2^{52170544071481} is an apocalyptic number.

It is an amenable number.

52170544071481 is a deficient number, since it is larger than the sum of its proper divisors (7242530280647).

52170544071481 is a wasteful number, since it uses less digits than its factorization.

52170544071481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87713012.

The product of its (nonzero) digits is 1254400, while the sum is 49.

The spelling of 52170544071481 in words is "fifty-two trillion, one hundred seventy billion, five hundred forty-four million, seventy-one thousand, four hundred eighty-one".