51031650601 has 16 divisors (see below), whose sum is σ = 51818655616. Its totient is φ = 50252400000.

The previous prime is 51031650589. The next prime is 51031650641. The reversal of 51031650601 is 10605613015.

51031650601 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 51031650601 - 2⁵ = 51031650569 is a prime.

It is a super-2 number, since 2×51031650601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51031650601.

It is not an unprimeable number, because it can be changed into a prime (51031650641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9043741 + ... + 9049381.

It is an arithmetic number, because the mean of its divisors is an integer number (3238665976).

It is a Poulet number, since it divides 2^51031650600-1.

Almost surely, 2^51031650601 is an apocalyptic number.

51031650601 is the 130425-th hex number.

It is an amenable number.

51031650601 is a deficient number, since it is larger than the sum of its proper divisors (787005015).

51031650601 is a wasteful number, since it uses less digits than its factorization.

51031650601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304.

The product of its (nonzero) digits is 2700, while the sum is 28.

The spelling of 51031650601 in words is "fifty-one billion, thirty-one million, six hundred fifty thousand, six hundred one".