51540610375 has 16 divisors (see below), whose sum is σ = 64359648288. Its totient is φ = 41208792000.

The previous prime is 51540610367. The next prime is 51540610423. The reversal of 51540610375 is 57301604515.

It is not a de Polignac number, because 51540610375 - 2³ = 51540610367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101520 + ... + 336730.

It is an arithmetic number, because the mean of its divisors is an integer number (4022478018).

Almost surely, 2^51540610375 is an apocalyptic number.

51540610375 is a deficient number, since it is larger than the sum of its proper divisors (12819037913).

51540610375 is a wasteful number, since it uses less digits than its factorization.

51540610375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236979 (or 236969 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 51540610375 in words is "fifty-one billion, five hundred forty million, six hundred ten thousand, three hundred seventy-five".