50057813 has 8 divisors (see below), whose sum is σ = 54149088. Its totient is φ = 46000944.

The previous prime is 50057807. The next prime is 50057879. The reversal of 50057813 is 31875005.

50057813 = 352² + 353² + ... + 578².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50057813 - 2²⁰ = 49009237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50057803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5531 + ... + 11432.

It is an arithmetic number, because the mean of its divisors is an integer number (6768636).

Almost surely, 2^50057813 is an apocalyptic number.

It is an amenable number.

50057813 is a deficient number, since it is larger than the sum of its proper divisors (4091275).

50057813 is a wasteful number, since it uses less digits than its factorization.

50057813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17203.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 50057813 is about 7075.1546272855. The cubic root of 50057813 is about 368.5450851154.

The spelling of 50057813 in words is "fifty million, fifty-seven thousand, eight hundred thirteen".