51495899592 has 64 divisors (see below), whose sum is σ = 130215729600. Its totient is φ = 16969030400.

The previous prime is 51495899569. The next prime is 51495899593. The reversal of 51495899592 is 29599859415.

It is not an unprimeable number, because it can be changed into a prime (51495899593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1581298 + ... + 1613534.

It is an arithmetic number, because the mean of its divisors is an integer number (2034620775).

Almost surely, 2^51495899592 is an apocalyptic number.

It is an amenable number.

51495899592 is an abundant number, since it is smaller than the sum of its proper divisors (78719830008).

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

51495899592 is a wasteful number, since it uses less digits than its factorization.

51495899592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33006 (or 33002 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 66.

The spelling of 51495899592 in words is "fifty-one billion, four hundred ninety-five million, eight hundred ninety-nine thousand, five hundred ninety-two".