50123979 has 12 divisors (see below), whose sum is σ = 72973056. Its totient is φ = 33152112.

The previous prime is 50123971. The next prime is 50123989. The reversal of 50123979 is 97932105.

It is not a de Polignac number, because 50123979 - 2³ = 50123971 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (50123971) 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, 20784 + ... + 23069.

It is an arithmetic number, because the mean of its divisors is an integer number (6081088).

Almost surely, 2^50123979 is an apocalyptic number.

50123979 is a deficient number, since it is larger than the sum of its proper divisors (22849077).

50123979 is a wasteful number, since it uses less digits than its factorization.

50123979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43986 (or 43983 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 50123979 is about 7079.8290233593. The cubic root of 50123979 is about 368.7073935643.

The spelling of 50123979 in words is "fifty million, one hundred twenty-three thousand, nine hundred seventy-nine".