49291663 has 2 divisors, whose sum is σ = 49291664. Its totient is φ = 49291662.

The previous prime is 49291657. The next prime is 49291729. The reversal of 49291663 is 36619294.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49291663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49291633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24645831 + 24645832.

It is an arithmetic number, because the mean of its divisors is an integer number (24645832).

Almost surely, 2^49291663 is an apocalyptic number.

49291663 is a deficient number, since it is larger than the sum of its proper divisors (1).

49291663 is an equidigital number, since it uses as much as digits as its factorization.

49291663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 49291663 is about 7020.8021621464. The cubic root of 49291663 is about 366.6551787953.

The spelling of 49291663 in words is "forty-nine million, two hundred ninety-one thousand, six hundred sixty-three".