51494600757 has 32 divisors (see below), whose sum is σ = 70387107840. Its totient is φ = 33477496640.

The previous prime is 51494600699. The next prime is 51494600789. The reversal of 51494600757 is 75700649415.

51494600757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51494600757 - 2¹⁵ = 51494567989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51494620757) 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, 19120303 + ... + 19122995.

It is an arithmetic number, because the mean of its divisors is an integer number (2199597120).

Almost surely, 2^51494600757 is an apocalyptic number.

It is an amenable number.

51494600757 is a deficient number, since it is larger than the sum of its proper divisors (18892507083).

51494600757 is a wasteful number, since it uses less digits than its factorization.

51494600757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 51494600757 in words is "fifty-one billion, four hundred ninety-four million, six hundred thousand, seven hundred fifty-seven".