50913001 has 2 divisors, whose sum is σ = 50913002. Its totient is φ = 50913000.

The previous prime is 50912993. The next prime is 50913017. The reversal of 50913001 is 10031905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48288601 + 2624400 = 6949^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 50913001 - 2³ = 50912993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50913001.

It is not a weakly prime, because it can be changed into another prime (50913601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25456500 + 25456501.

It is an arithmetic number, because the mean of its divisors is an integer number (25456501).

Almost surely, 2^50913001 is an apocalyptic number.

It is an amenable number.

50913001 is a deficient number, since it is larger than the sum of its proper divisors (1).

50913001 is an equidigital number, since it uses as much as digits as its factorization.

50913001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 50913001 is about 7135.3346803076. The cubic root of 50913001 is about 370.6319878354.

Adding to 50913001 its reverse (10031905), we get a palindrome (60944906).

The spelling of 50913001 in words is "fifty million, nine hundred thirteen thousand, one".