51537801675 has 24 divisors (see below), whose sum is σ = 88147416240. Its totient is φ = 26539004800.

The previous prime is 51537801643. The next prime is 51537801719. The reversal of 51537801675 is 57610873515.

It is not a de Polignac number, because 51537801675 - 2⁵ = 51537801643 is a prime.

It is a super-2 number, since 2×51537801675² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11845596 + ... + 11849945.

It is an arithmetic number, because the mean of its divisors is an integer number (3672809010).

Almost surely, 2^51537801675 is an apocalyptic number.

51537801675 is a deficient number, since it is larger than the sum of its proper divisors (36609614565).

51537801675 is a wasteful number, since it uses less digits than its factorization.

51537801675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23695583 (or 23695578 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 51537801675 in words is "fifty-one billion, five hundred thirty-seven million, eight hundred one thousand, six hundred seventy-five".