50804513 has 2 divisors, whose sum is σ = 50804514. Its totient is φ = 50804512.

The previous prime is 50804503. The next prime is 50804561. The reversal of 50804513 is 31540805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41113744 + 9690769 = 6412^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 50804513 - 2¹⁶ = 50738977 is a prime.

It is not a weakly prime, because it can be changed into another prime (50804503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25402256 + 25402257.

It is an arithmetic number, because the mean of its divisors is an integer number (25402257).

Almost surely, 2^50804513 is an apocalyptic number.

It is an amenable number.

50804513 is a deficient number, since it is larger than the sum of its proper divisors (1).

50804513 is an equidigital number, since it uses as much as digits as its factorization.

50804513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 50804513 is about 7127.7284600355. The cubic root of 50804513 is about 370.3685468279.

The spelling of 50804513 in words is "fifty million, eight hundred four thousand, five hundred thirteen".