52542891887290 has 32 divisors (see below), whose sum is σ = 108107195082624. Its totient is φ = 18011545732800.

The previous prime is 52542891887261. The next prime is 52542891887293. The reversal of 52542891887290 is 9278819824525.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is not an unprimeable number, because it can be changed into a prime (52542891887293) 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, 65432604 + ... + 66230743.

It is an arithmetic number, because the mean of its divisors is an integer number (3378349846332).

Almost surely, 2^{52542891887290} is an apocalyptic number.

52542891887290 is an abundant number, since it is smaller than the sum of its proper divisors (55564303195334).

52542891887290 is a wasteful number, since it uses less digits than its factorization.

52542891887290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131669062.

The product of its (nonzero) digits is 232243200, while the sum is 70.

The spelling of 52542891887290 in words is "fifty-two trillion, five hundred forty-two billion, eight hundred ninety-one million, eight hundred eighty-seven thousand, two hundred ninety".