50151920 has 120 divisors (see below), whose sum is σ = 145261536. Its totient is φ = 15681024.

The previous prime is 50151917. The next prime is 50151929. The reversal of 50151920 is 2915105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50151929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 604199 + ... + 604281.

Almost surely, 2^50151920 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 50151920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72630768).

50151920 is an abundant number, since it is smaller than the sum of its proper divisors (95109616).

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

50151920 is a wasteful number, since it uses less digits than its factorization.

50151920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 50151920 is about 7081.8020305569. The cubic root of 50151920 is about 368.7758913162.

The spelling of 50151920 in words is "fifty million, one hundred fifty-one thousand, nine hundred twenty".