51927725499 has 32 divisors (see below), whose sum is σ = 75943956480. Its totient is φ = 31368325248.

The previous prime is 51927725497. The next prime is 51927725503. The reversal of 51927725499 is 99452772915.

51927725499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51927725499 - 2¹ = 51927725497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51927725497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484302 + ... + 581724.

It is an arithmetic number, because the mean of its divisors is an integer number (2373248640).

Almost surely, 2^51927725499 is an apocalyptic number.

51927725499 is a deficient number, since it is larger than the sum of its proper divisors (24016230981).

51927725499 is a wasteful number, since it uses less digits than its factorization.

51927725499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97691.

The product of its digits is 14288400, while the sum is 60.

The spelling of 51927725499 in words is "fifty-one billion, nine hundred twenty-seven million, seven hundred twenty-five thousand, four hundred ninety-nine".