50379999 has 4 divisors (see below), whose sum is σ = 67173336. Its totient is φ = 33586664.

The previous prime is 50379971. The next prime is 50380007. The reversal of 50379999 is 99997305.

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 50379999 - 2⁹ = 50379487 is a prime.

50379999 is a modest number, since divided by 9999 gives 5037 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50379919) 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, 8396664 + ... + 8396669.

It is an arithmetic number, because the mean of its divisors is an integer number (16793334).

Almost surely, 2^50379999 is an apocalyptic number.

50379999 is a deficient number, since it is larger than the sum of its proper divisors (16793337).

50379999 is a wasteful number, since it uses less digits than its factorization.

50379999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16793336.

The product of its (nonzero) digits is 688905, while the sum is 51.

The square root of 50379999 is about 7097.8869390826. The cubic root of 50379999 is about 369.3340810029.

The spelling of 50379999 in words is "fifty million, three hundred seventy-nine thousand, nine hundred ninety-nine".