49503913 has 2 divisors, whose sum is σ = 49503914. Its totient is φ = 49503912.

The previous prime is 49503907. The next prime is 49503917. The reversal of 49503913 is 31930594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27489049 + 22014864 = 5243^2 + 4692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49503913 is a prime.

It is not a weakly prime, because it can be changed into another prime (49503917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24751956 + 24751957.

It is an arithmetic number, because the mean of its divisors is an integer number (24751957).

Almost surely, 2^49503913 is an apocalyptic number.

It is an amenable number.

49503913 is a deficient number, since it is larger than the sum of its proper divisors (1).

49503913 is an equidigital number, since it uses as much as digits as its factorization.

49503913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 49503913 is about 7035.9017190407. The cubic root of 49503913 is about 367.1806978658.

The spelling of 49503913 in words is "forty-nine million, five hundred three thousand, nine hundred thirteen".