49998587 has 2 divisors, whose sum is σ = 49998588. Its totient is φ = 49998586.

The previous prime is 49998563. The next prime is 49998593. The reversal of 49998587 is 78589994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49998587 - 2¹⁴ = 49982203 is a prime.

It is not a weakly prime, because it can be changed into another prime (49998517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999293 + 24999294.

It is an arithmetic number, because the mean of its divisors is an integer number (24999294).

Almost surely, 2^49998587 is an apocalyptic number.

49998587 is a deficient number, since it is larger than the sum of its proper divisors (1).

49998587 is an equidigital number, since it uses as much as digits as its factorization.

49998587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 59.

The square root of 49998587 is about 7070.9678969714. The cubic root of 49998587 is about 368.3996794737.

The spelling of 49998587 in words is "forty-nine million, nine hundred ninety-eight thousand, five hundred eighty-seven".