51476142757 has 32 divisors (see below), whose sum is σ = 58199581440. Its totient is φ = 45208558080.

The previous prime is 51476142733. The next prime is 51476142761. The reversal of 51476142757 is 75724167415.

It is a cyclic number.

It is not a de Polignac number, because 51476142757 - 2¹⁵ = 51476109989 is a prime.

It is a super-2 number, since 2×51476142757² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51476142757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51476442757) 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, 19227703 + ... + 19230379.

It is an arithmetic number, because the mean of its divisors is an integer number (1818736920).

Almost surely, 2^51476142757 is an apocalyptic number.

It is an amenable number.

51476142757 is a deficient number, since it is larger than the sum of its proper divisors (6723438683).

51476142757 is a wasteful number, since it uses less digits than its factorization.

51476142757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613.

The product of its digits is 1646400, while the sum is 49.

The spelling of 51476142757 in words is "fifty-one billion, four hundred seventy-six million, one hundred forty-two thousand, seven hundred fifty-seven".