51775500557715 has 64 divisors (see below), whose sum is σ = 92313885081600. Its totient is φ = 24564023507840.

The previous prime is 51775500557699. The next prime is 51775500557719.

51775500557715 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51775500557715 - 2⁴ = 51775500557699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51775500557719) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36520642 + ... + 37911848.

It is an arithmetic number, because the mean of its divisors is an integer number (1442404454400).

Almost surely, 2^{51775500557715} is an apocalyptic number.

51775500557715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51775500557715 is a deficient number, since it is larger than the sum of its proper divisors (40538384523885).

51775500557715 is a wasteful number, since it uses less digits than its factorization.

51775500557715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396072.

The product of its (nonzero) digits is 37515625, while the sum is 60.

The spelling of 51775500557715 in words is "fifty-one trillion, seven hundred seventy-five billion, five hundred million, five hundred fifty-seven thousand, seven hundred fifteen".