52381895634 has 24 divisors (see below), whose sum is σ = 113521185180. Its totient is φ = 17456466048.

The previous prime is 52381895597. The next prime is 52381895659. The reversal of 52381895634 is 43659818325.

52381895634 is a `hidden beast` number, since 523 + 8 + 1 + 89 + 5 + 6 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42290688609 + 10091207025 = 205647^2 + 100455^2 .

It is a super-2 number, since 2×52381895634² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269139 + ... + 420950.

Almost surely, 2^52381895634 is an apocalyptic number.

52381895634 is an abundant number, since it is smaller than the sum of its proper divisors (61139289546).

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

52381895634 is a wasteful number, since it uses less digits than its factorization.

52381895634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694314 (or 694311 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 52381895634 in words is "fifty-two billion, three hundred eighty-one million, eight hundred ninety-five thousand, six hundred thirty-four".