50726513 has 4 divisors (see below), whose sum is σ = 50740800. Its totient is φ = 50712228.

The previous prime is 50726503. The next prime is 50726551. The reversal of 50726513 is 31562705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50726513 - 2⁶ = 50726449 is a prime.

It is a super-2 number, since 2×50726513² = 5146358242278338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50726503) 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, 2756 + ... + 10442.

It is an arithmetic number, because the mean of its divisors is an integer number (12685200).

Almost surely, 2^50726513 is an apocalyptic number.

It is an amenable number.

50726513 is a deficient number, since it is larger than the sum of its proper divisors (14287).

50726513 is an equidigital number, since it uses as much as digits as its factorization.

50726513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14286.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 50726513 is about 7122.2547693831. The cubic root of 50726513 is about 370.1789078777.

The spelling of 50726513 in words is "fifty million, seven hundred twenty-six thousand, five hundred thirteen".