50160221531 has 32 divisors (see below), whose sum is σ = 61479364608. Its totient is φ = 39984848640.

The previous prime is 50160221509. The next prime is 50160221533. The reversal of 50160221531 is 13512206105.

It is not a de Polignac number, because 50160221531 - 2¹⁸ = 50159959387 is a prime.

It is a super-2 number, since 2×50160221531² (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 50160221531.

It is not an unprimeable number, because it can be changed into a prime (50160221533) 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, 12823466 + ... + 12827376.

It is an arithmetic number, because the mean of its divisors is an integer number (1921230144).

Almost surely, 2^50160221531 is an apocalyptic number.

50160221531 is a deficient number, since it is larger than the sum of its proper divisors (11319143077).

50160221531 is a wasteful number, since it uses less digits than its factorization.

50160221531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 50160221531 its reverse (13512206105), we get a palindrome (63672427636).

The spelling of 50160221531 in words is "fifty billion, one hundred sixty million, two hundred twenty-one thousand, five hundred thirty-one".