50553888 has 144 divisors (see below), whose sum is σ = 168575904. Its totient is φ = 13117440.

The previous prime is 50553871. The next prime is 50553907. The reversal of 50553888 is 88835505.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 51256 + ... + 52232.

It is an arithmetic number, because the mean of its divisors is an integer number (1170666).

Almost surely, 2^50553888 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 50553888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84287952).

50553888 is an abundant number, since it is smaller than the sum of its proper divisors (118022016).

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

50553888 is a wasteful number, since it uses less digits than its factorization.

50553888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 50553888 is about 7110.1257372848. The cubic root of 50553888 is about 369.7585178621.

The spelling of 50553888 in words is "fifty million, five hundred fifty-three thousand, eight hundred eighty-eight".