50888640 has 224 divisors, whose sum is σ = 181416960. Its totient is φ = 11980800.

The previous prime is 50888623. The next prime is 50888647. The reversal of 50888640 is 4688805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50888647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644121 + ... + 644199.

Almost surely, 2^50888640 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 50888640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90708480).

50888640 is an abundant number, since it is smaller than the sum of its proper divisors (130528320).

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

50888640 is a wasteful number, since it uses less digits than its factorization.

50888640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 50888640 is about 7133.6274082685. The cubic root of 50888640 is about 370.5728647160.

The spelling of 50888640 in words is "fifty million, eight hundred eighty-eight thousand, six hundred forty".