49281887 has 2 divisors, whose sum is σ = 49281888. Its totient is φ = 49281886.

The previous prime is 49281871. The next prime is 49281907. The reversal of 49281887 is 78818294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49281887 - 2⁴ = 49281871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49281857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24640943 + 24640944.

It is an arithmetic number, because the mean of its divisors is an integer number (24640944).

Almost surely, 2^49281887 is an apocalyptic number.

49281887 is a deficient number, since it is larger than the sum of its proper divisors (1).

49281887 is an equidigital number, since it uses as much as digits as its factorization.

49281887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 47.

The square root of 49281887 is about 7020.1059108820. The cubic root of 49281887 is about 366.6309376572.

The spelling of 49281887 in words is "forty-nine million, two hundred eighty-one thousand, eight hundred eighty-seven".