51097185074 has 16 divisors (see below), whose sum is σ = 84772462488. Its totient is φ = 22945928832.

The previous prime is 51097185017. The next prime is 51097185077. The reversal of 51097185074 is 47058179015.

51097185074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 50088678025 + 1008507049 = 223805^2 + 31757^2 .

It is a super-2 number, since 2×51097185074² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51097185077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26556827 + ... + 26558750.

Almost surely, 2^51097185074 is an apocalyptic number.

51097185074 is a deficient number, since it is larger than the sum of its proper divisors (33675277414).

51097185074 is a wasteful number, since it uses less digits than its factorization.

51097185074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53115629.

The product of its (nonzero) digits is 352800, while the sum is 47.

The spelling of 51097185074 in words is "fifty-one billion, ninety-seven million, one hundred eighty-five thousand, seventy-four".