50891420 has 12 divisors (see below), whose sum is σ = 106872024. Its totient is φ = 20356560.

The previous prime is 50891411. The next prime is 50891437. The reversal of 50891420 is 2419805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272266 + ... + 1272305.

It is an arithmetic number, because the mean of its divisors is an integer number (8906002).

Almost surely, 2^50891420 is an apocalyptic number.

It is an amenable number.

50891420 is an abundant number, since it is smaller than the sum of its proper divisors (55980604).

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

50891420 is a wasteful number, since it uses less digits than its factorization.

50891420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544580 (or 2544578 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 50891420 is about 7133.8222573877. The cubic root of 50891420 is about 370.5796126124.

The spelling of 50891420 in words is "fifty million, eight hundred ninety-one thousand, four hundred twenty".