51527241894 has 16 divisors (see below), whose sum is σ = 103066956720. Its totient is φ = 17173668480.

The previous prime is 51527241889. The next prime is 51527241943. The reversal of 51527241894 is 49814272515.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465567 + ... + 565514.

It is an arithmetic number, because the mean of its divisors is an integer number (6441684795).

Almost surely, 2^51527241894 is an apocalyptic number.

51527241894 is an abundant number, since it is smaller than the sum of its proper divisors (51539714826).

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

51527241894 is a wasteful number, since it uses less digits than its factorization.

51527241894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039415.

The product of its digits is 806400, while the sum is 48.

The spelling of 51527241894 in words is "fifty-one billion, five hundred twenty-seven million, two hundred forty-one thousand, eight hundred ninety-four".