50121036 has 72 divisors (see below), whose sum is σ = 146275584. Its totient is φ = 14173920.

The previous prime is 50121023. The next prime is 50121059. The reversal of 50121036 is 63012105.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24991 + ... + 26921.

Almost surely, 2^50121036 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 50121036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73137792).

50121036 is an abundant number, since it is smaller than the sum of its proper divisors (96154548).

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

50121036 is a wasteful number, since it uses less digits than its factorization.

50121036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 50121036 is about 7079.6211763060. The cubic root of 50121036 is about 368.7001772771.

The spelling of 50121036 in words is "fifty million, one hundred twenty-one thousand, thirty-six".