49109563 has 2 divisors, whose sum is σ = 49109564. Its totient is φ = 49109562.

The previous prime is 49109551. The next prime is 49109581. The reversal of 49109563 is 36590194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49109563 - 2⁹ = 49109051 is a prime.

It is not a weakly prime, because it can be changed into another prime (49149563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24554781 + 24554782.

It is an arithmetic number, because the mean of its divisors is an integer number (24554782).

Almost surely, 2^49109563 is an apocalyptic number.

49109563 is a deficient number, since it is larger than the sum of its proper divisors (1).

49109563 is an equidigital number, since it uses as much as digits as its factorization.

49109563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 49109563 is about 7007.8215588013. The cubic root of 49109563 is about 366.2031057387.

The spelling of 49109563 in words is "forty-nine million, one hundred nine thousand, five hundred sixty-three".