50558013 has 40 divisors (see below), whose sum is σ = 83112480. Its totient is φ = 30373920.

The previous prime is 50557987. The next prime is 50558023. The reversal of 50558013 is 31085505.

50558013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50558013 - 2⁸ = 50557757 is a prime.

It is a super-2 number, since 2×50558013² = 5112225357016338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50558023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 159331 + ... + 159647.

It is an arithmetic number, because the mean of its divisors is an integer number (2077812).

Almost surely, 2^50558013 is an apocalyptic number.

It is an amenable number.

50558013 is a deficient number, since it is larger than the sum of its proper divisors (32554467).

50558013 is a wasteful number, since it uses less digits than its factorization.

50558013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 50558013 is about 7110.4158106260. The cubic root of 50558013 is about 369.7685745393.

The spelling of 50558013 in words is "fifty million, five hundred fifty-eight thousand, thirteen".