49885993 has 2 divisors, whose sum is σ = 49885994. Its totient is φ = 49885992.

The previous prime is 49885991. The next prime is 49886009. The reversal of 49885993 is 39958894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36144144 + 13741849 = 6012^2 + 3707^2 .

It is a cyclic number.

It is not a de Polignac number, because 49885993 - 2¹ = 49885991 is a prime.

It is a super-2 number, since 2×49885993² = 4977224595192098, which contains 22 as substring.

Together with 49885991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49885991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24942996 + 24942997.

It is an arithmetic number, because the mean of its divisors is an integer number (24942997).

Almost surely, 2^49885993 is an apocalyptic number.

It is an amenable number.

49885993 is a deficient number, since it is larger than the sum of its proper divisors (1).

49885993 is an equidigital number, since it uses as much as digits as its factorization.

49885993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 55.

The square root of 49885993 is about 7063.0016989946. The cubic root of 49885993 is about 368.1229331922.

The spelling of 49885993 in words is "forty-nine million, eight hundred eighty-five thousand, nine hundred ninety-three".