50877440 has 88 divisors (see below), whose sum is σ = 128715360. Its totient is φ = 19243008.

The previous prime is 50877439. The next prime is 50877443. The reversal of 50877440 is 4477805.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50877440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50877443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97019 + ... + 97541.

Almost surely, 2^50877440 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 50877440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64357680).

50877440 is an abundant number, since it is smaller than the sum of its proper divisors (77837920).

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

50877440 is a wasteful number, since it uses less digits than its factorization.

50877440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 50877440 is about 7132.8423507042. The cubic root of 50877440 is about 370.5456764568.

The spelling of 50877440 in words is "fifty million, eight hundred seventy-seven thousand, four hundred forty".