50886864 has 120 divisors (see below), whose sum is σ = 171387840. Its totient is φ = 13768704.

The previous prime is 50886827. The next prime is 50886881. The reversal of 50886864 is 46868805.

50886864 is a `hidden beast` number, since 508 + 86 + 8 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17824 + ... + 20480.

It is an arithmetic number, because the mean of its divisors is an integer number (1428232).

Almost surely, 2^50886864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50886864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85693920).

50886864 is an abundant number, since it is smaller than the sum of its proper divisors (120500976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50886864 is a wasteful number, since it uses less digits than its factorization.

50886864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 50886864 is about 7133.5029263329. The cubic root of 50886864 is about 370.5685537011.

The spelling of 50886864 in words is "fifty million, eight hundred eighty-six thousand, eight hundred sixty-four".