50421915 has 48 divisors (see below), whose sum is σ = 97437600. Its totient is φ = 23970816.

The previous prime is 50421901. The next prime is 50421937. The reversal of 50421915 is 51912405.

It is not a de Polignac number, because 50421915 - 2⁸ = 50421659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12801 + ... + 16269.

It is an arithmetic number, because the mean of its divisors is an integer number (2029950).

Almost surely, 2^50421915 is an apocalyptic number.

50421915 is a deficient number, since it is larger than the sum of its proper divisors (47015685).

50421915 is a wasteful number, since it uses less digits than its factorization.

50421915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 50421915 is about 7100.8390349310. The cubic root of 50421915 is about 369.4364808722.

The spelling of 50421915 in words is "fifty million, four hundred twenty-one thousand, nine hundred fifteen".