49842563 has 2 divisors, whose sum is σ = 49842564. Its totient is φ = 49842562.

The previous prime is 49842557. The next prime is 49842571. The reversal of 49842563 is 36524894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49842563 - 2¹⁶ = 49777027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49842563.

It is not a weakly prime, because it can be changed into another prime (49842553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24921281 + 24921282.

It is an arithmetic number, because the mean of its divisors is an integer number (24921282).

Almost surely, 2^49842563 is an apocalyptic number.

49842563 is a deficient number, since it is larger than the sum of its proper divisors (1).

49842563 is an equidigital number, since it uses as much as digits as its factorization.

49842563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 49842563 is about 7059.9265576917. The cubic root of 49842563 is about 368.0160747350.

It can be divided in two parts, 49842 and 563, that added together give a palindrome (50405).

The spelling of 49842563 in words is "forty-nine million, eight hundred forty-two thousand, five hundred sixty-three".