50666872731 has 16 divisors (see below), whose sum is σ = 68687166240. Its totient is φ = 33212632320.

The previous prime is 50666872717. The next prime is 50666872741. The reversal of 50666872731 is 13727866605.

It is not a de Polignac number, because 50666872731 - 2⁹ = 50666872219 is a prime.

It is a super-2 number, since 2×50666872731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50666872741) 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, 496701 + ... + 589953.

It is an arithmetic number, because the mean of its divisors is an integer number (4292947890).

Almost surely, 2^50666872731 is an apocalyptic number.

50666872731 is a deficient number, since it is larger than the sum of its proper divisors (18020293509).

50666872731 is a wasteful number, since it uses less digits than its factorization.

50666872731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96286.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 50666872731 in words is "fifty billion, six hundred sixty-six million, eight hundred seventy-two thousand, seven hundred thirty-one".