51494768092 has 12 divisors (see below), whose sum is σ = 90143518360. Its totient is φ = 25739477136.

The previous prime is 51494768071. The next prime is 51494768099. The reversal of 51494768092 is 29086749415.

It is a super-2 number, since 2×51494768092² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51494768099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962063 + ... + 1988134.

Almost surely, 2^51494768092 is an apocalyptic number.

It is an amenable number.

51494768092 is a deficient number, since it is larger than the sum of its proper divisors (38648750268).

51494768092 is a wasteful number, since it uses less digits than its factorization.

51494768092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953460 (or 3953458 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 51494768092 in words is "fifty-one billion, four hundred ninety-four million, seven hundred sixty-eight thousand, ninety-two".