50121659 has 6 divisors (see below), whose sum is σ = 58304844. Its totient is φ = 42961380.

The previous prime is 50121653. The next prime is 50121667. The reversal of 50121659 is 95612105.

It is not a de Polignac number, because 50121659 - 2¹² = 50117563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50121653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511397 + ... + 511494.

It is an arithmetic number, because the mean of its divisors is an integer number (9717474).

Almost surely, 2^50121659 is an apocalyptic number.

50121659 is a deficient number, since it is larger than the sum of its proper divisors (8183185).

50121659 is a wasteful number, since it uses less digits than its factorization.

50121659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022905 (or 1022898 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 50121659 is about 7079.6651756986. The cubic root of 50121659 is about 368.7017049075.

The spelling of 50121659 in words is "fifty million, one hundred twenty-one thousand, six hundred fifty-nine".