50405379 has 4 divisors (see below), whose sum is σ = 67207176. Its totient is φ = 33603584.

The previous prime is 50405317. The next prime is 50405387. The reversal of 50405379 is 97350405.

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

It is a cyclic number.

It is not a de Polignac number, because 50405379 - 2¹² = 50401283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50405779) 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, 8400894 + ... + 8400899.

It is an arithmetic number, because the mean of its divisors is an integer number (16801794).

Almost surely, 2^50405379 is an apocalyptic number.

50405379 is a deficient number, since it is larger than the sum of its proper divisors (16801797).

50405379 is a wasteful number, since it uses less digits than its factorization.

50405379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16801796.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 50405379 is about 7099.6745700067. The cubic root of 50405379 is about 369.3960905671.

The spelling of 50405379 in words is "fifty million, four hundred five thousand, three hundred seventy-nine".