49907491 has 2 divisors, whose sum is σ = 49907492. Its totient is φ = 49907490.

The previous prime is 49907443. The next prime is 49907513. The reversal of 49907491 is 19470994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49907491 - 2¹⁵ = 49874723 is a prime.

It is not a weakly prime, because it can be changed into another prime (49907411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24953745 + 24953746.

It is an arithmetic number, because the mean of its divisors is an integer number (24953746).

Almost surely, 2^49907491 is an apocalyptic number.

49907491 is a deficient number, since it is larger than the sum of its proper divisors (1).

49907491 is an equidigital number, since it uses as much as digits as its factorization.

49907491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 49907491 is about 7064.5234092612. The cubic root of 49907491 is about 368.1758055504.

The spelling of 49907491 in words is "forty-nine million, nine hundred seven thousand, four hundred ninety-one".