49893887 has 2 divisors, whose sum is σ = 49893888. Its totient is φ = 49893886.

The previous prime is 49893869. The next prime is 49893941. The reversal of 49893887 is 78839894.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49893887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49893817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24946943 + 24946944.

It is an arithmetic number, because the mean of its divisors is an integer number (24946944).

Almost surely, 2^49893887 is an apocalyptic number.

49893887 is a deficient number, since it is larger than the sum of its proper divisors (1).

49893887 is an equidigital number, since it uses as much as digits as its factorization.

49893887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 56.

The square root of 49893887 is about 7063.5605044482. The cubic root of 49893887 is about 368.1423495253.

The spelling of 49893887 in words is "forty-nine million, eight hundred ninety-three thousand, eight hundred eighty-seven".