50129898 has 32 divisors (see below), whose sum is σ = 123398016. Its totient is φ = 13220928.

The previous prime is 50129887. The next prime is 50129899. The reversal of 50129898 is 89892105.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50129899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45361 + ... + 46452.

It is an arithmetic number, because the mean of its divisors is an integer number (3856188).

Almost surely, 2^50129898 is an apocalyptic number.

50129898 is an abundant number, since it is smaller than the sum of its proper divisors (73268118).

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

50129898 is a wasteful number, since it uses less digits than its factorization.

50129898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91838.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 50129898 is about 7080.2470295887. The cubic root of 50129898 is about 368.7219062002.

The spelling of 50129898 in words is "fifty million, one hundred twenty-nine thousand, eight hundred ninety-eight".