50437979 has 4 divisors (see below), whose sum is σ = 51292920. Its totient is φ = 49583040.

The previous prime is 50437969. The next prime is 50437999. The reversal of 50437979 is 97973405.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50437979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50437949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427382 + ... + 427499.

It is an arithmetic number, because the mean of its divisors is an integer number (12823230).

Almost surely, 2^50437979 is an apocalyptic number.

50437979 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

50437979 is a deficient number, since it is larger than the sum of its proper divisors (854941).

50437979 is an equidigital number, since it uses as much as digits as its factorization.

50437979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854940.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 50437979 is about 7101.9700787880. The cubic root of 50437979 is about 369.4757098298.

It can be divided in two parts, 504 and 37979, that added together give a palindrome (38483).

The spelling of 50437979 in words is "fifty million, four hundred thirty-seven thousand, nine hundred seventy-nine".