49479811 has 2 divisors, whose sum is σ = 49479812. Its totient is φ = 49479810.

The previous prime is 49479779. The next prime is 49479821. The reversal of 49479811 is 11897494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49479811 - 2⁵ = 49479779 is a prime.

It is not a weakly prime, because it can be changed into another prime (49479821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24739905 + 24739906.

It is an arithmetic number, because the mean of its divisors is an integer number (24739906).

Almost surely, 2^49479811 is an apocalyptic number.

49479811 is a deficient number, since it is larger than the sum of its proper divisors (1).

49479811 is an equidigital number, since it uses as much as digits as its factorization.

49479811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 43.

The square root of 49479811 is about 7034.1887236553. The cubic root of 49479811 is about 367.1210983631.

The spelling of 49479811 in words is "forty-nine million, four hundred seventy-nine thousand, eight hundred eleven".