50121896 has 32 divisors (see below), whose sum is σ = 104064480. Its totient is φ = 22440000.

The previous prime is 50121887. The next prime is 50121919. The reversal of 50121896 is 69812105.

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 7 ways as a sum of consecutive naturals, for example, 1646 + ... + 10146.

It is an arithmetic number, because the mean of its divisors is an integer number (3252015).

Almost surely, 2^50121896 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 50121896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52032240).

50121896 is an abundant number, since it is smaller than the sum of its proper divisors (53942584).

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

50121896 is a wasteful number, since it uses less digits than its factorization.

50121896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8585 (or 8581 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 50121896 is about 7079.6819137586. The cubic root of 50121896 is about 368.7022860413.

The spelling of 50121896 in words is "fifty million, one hundred twenty-one thousand, eight hundred ninety-six".