50121100 has 36 divisors (see below), whose sum is σ = 115164504. Its totient is φ = 18868480.

The previous prime is 50121089. The next prime is 50121109. The reversal of 50121100 is 112105.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (50121109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13042 + ... + 16441.

It is an arithmetic number, because the mean of its divisors is an integer number (3199014).

Almost surely, 2^50121100 is an apocalyptic number.

50121100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50121100 is an abundant number, since it is smaller than the sum of its proper divisors (65043404).

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

50121100 is a wasteful number, since it uses less digits than its factorization.

50121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29514 (or 29507 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 50121100 is about 7079.6256963204. The cubic root of 50121100 is about 368.7003342092.

Adding to 50121100 its reverse (112105), we get a palindrome (50233205).

The spelling of 50121100 in words is "fifty million, one hundred twenty-one thousand, one hundred".