50415870 has 16 divisors (see below), whose sum is σ = 120998160. Its totient is φ = 13444224.

The previous prime is 50415857. The next prime is 50415877. The reversal of 50415870 is 7851405.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1680529 = 50415870 / (5 + 0 + 4 + 1 + 5 + 8 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50415877) 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, 840235 + ... + 840294.

It is an arithmetic number, because the mean of its divisors is an integer number (7562385).

Almost surely, 2^50415870 is an apocalyptic number.

50415870 is an abundant number, since it is smaller than the sum of its proper divisors (70582290).

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

50415870 is a wasteful number, since it uses less digits than its factorization.

50415870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680539.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 50415870 is about 7100.4133682484. The cubic root of 50415870 is about 369.4217165726.

The spelling of 50415870 in words is "fifty million, four hundred fifteen thousand, eight hundred seventy".