51750007057 has 6 divisors (see below), whose sum is σ = 60198987858. Its totient is φ = 44357148864.

The previous prime is 51750007009. The next prime is 51750007073. The reversal of 51750007057 is 75070005715.

It can be written as a sum of positive squares in only one way, i.e., 26571934081 + 25178072976 = 163009^2 + 158676^2 .

It is not a de Polignac number, because 51750007057 - 2⁷ = 51750006929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51750007157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 528061248 + ... + 528061345.

It is an arithmetic number, because the mean of its divisors is an integer number (10033164643).

Almost surely, 2^51750007057 is an apocalyptic number.

It is an amenable number.

51750007057 is a deficient number, since it is larger than the sum of its proper divisors (8448980801).

51750007057 is a wasteful number, since it uses less digits than its factorization.

51750007057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056122607 (or 1056122600 counting only the distinct ones).

The product of its (nonzero) digits is 42875, while the sum is 37.

The spelling of 51750007057 in words is "fifty-one billion, seven hundred fifty million, seven thousand, fifty-seven".