50051900 has 18 divisors (see below), whose sum is σ = 108612840. Its totient is φ = 20020720.

The previous prime is 50051891. The next prime is 50051917. The reversal of 50051900 is 915005.

It is a super-2 number, since 2×50051900² = 5010385387220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250160 + ... + 250359.

Almost surely, 2^50051900 is an apocalyptic number.

50051900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50051900 is an abundant number, since it is smaller than the sum of its proper divisors (58560940).

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

50051900 is a wasteful number, since it uses less digits than its factorization.

50051900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500533 (or 500526 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 50051900 is about 7074.7367442188. The cubic root of 50051900 is about 368.5305732756.

Adding to 50051900 its reverse (915005), we get a palindrome (50966905).

The spelling of 50051900 in words is "fifty million, fifty-one thousand, nine hundred".