50726491 has 4 divisors (see below), whose sum is σ = 51175512. Its totient is φ = 50277472.

The previous prime is 50726461. The next prime is 50726503. The reversal of 50726491 is 19462705.

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 50726491 - 2¹⁵ = 50693723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50726411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224341 + ... + 224566.

It is an arithmetic number, because the mean of its divisors is an integer number (12793878).

Almost surely, 2^50726491 is an apocalyptic number.

50726491 is a deficient number, since it is larger than the sum of its proper divisors (449021).

50726491 is a wasteful number, since it uses less digits than its factorization.

50726491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449020.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 50726491 is about 7122.2532249282. The cubic root of 50726491 is about 370.1788543624.

The spelling of 50726491 in words is "fifty million, seven hundred twenty-six thousand, four hundred ninety-one".