50861888 has 56 divisors (see below), whose sum is σ = 125845824. Its totient is φ = 19814400.

The previous prime is 50861857. The next prime is 50861891. The reversal of 50861888 is 88816805.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233 + ... + 10088.

Almost surely, 2^50861888 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 50861888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62922912).

50861888 is an abundant number, since it is smaller than the sum of its proper divisors (74983936).

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

50861888 is a wasteful number, since it uses less digits than its factorization.

50861888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351 (or 10341 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 44.

The square root of 50861888 is about 7131.7520988885. The cubic root of 50861888 is about 370.5079169991.

The spelling of 50861888 in words is "fifty million, eight hundred sixty-one thousand, eight hundred eighty-eight".