50551904 has 48 divisors (see below), whose sum is σ = 108083808. Its totient is φ = 23135232.

The previous prime is 50551889. The next prime is 50551939. The reversal of 50551904 is 40915505.

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, 56549 + ... + 57435.

It is an arithmetic number, because the mean of its divisors is an integer number (2251746).

Almost surely, 2^50551904 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 50551904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54041904).

50551904 is an abundant number, since it is smaller than the sum of its proper divisors (57531904).

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

50551904 is a wasteful number, since it uses less digits than its factorization.

50551904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 50551904 is about 7109.9862165830. The cubic root of 50551904 is about 369.7536807103.

The spelling of 50551904 in words is "fifty million, five hundred fifty-one thousand, nine hundred four".