51701541616 has 20 divisors (see below), whose sum is σ = 101813898424. Its totient is φ = 25426987200.

The previous prime is 51701541613. The next prime is 51701541623. The reversal of 51701541616 is 61614510715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51701541613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26485470 + ... + 26487421.

Almost surely, 2^51701541616 is an apocalyptic number.

It is an amenable number.

51701541616 is a deficient number, since it is larger than the sum of its proper divisors (50112356808).

51701541616 is a wasteful number, since it uses less digits than its factorization.

51701541616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52972960 (or 52972954 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 51701541616 in words is "fifty-one billion, seven hundred one million, five hundred forty-one thousand, six hundred sixteen".