50881965 has 16 divisors (see below), whose sum is σ = 83144448. Its totient is φ = 26559296.

The previous prime is 50881951. The next prime is 50881997. The reversal of 50881965 is 56918805.

It is a cyclic number.

It is not a de Polignac number, because 50881965 - 2⁷ = 50881837 is a prime.

It is a super-2 number, since 2×50881965² = 5177948724522450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35382 + ... + 36791.

It is an arithmetic number, because the mean of its divisors is an integer number (5196528).

Almost surely, 2^50881965 is an apocalyptic number.

It is an amenable number.

50881965 is a deficient number, since it is larger than the sum of its proper divisors (32262483).

50881965 is a wasteful number, since it uses less digits than its factorization.

50881965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72228.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 50881965 is about 7133.1595383813. The cubic root of 50881965 is about 370.5566614794.

The spelling of 50881965 in words is "fifty million, eight hundred eighty-one thousand, nine hundred sixty-five".