49140887 has 2 divisors, whose sum is σ = 49140888. Its totient is φ = 49140886.

The previous prime is 49140869. The next prime is 49140893. The reversal of 49140887 is 78804194.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49140887 - 2²⁴ = 32363671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49140827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24570443 + 24570444.

It is an arithmetic number, because the mean of its divisors is an integer number (24570444).

Almost surely, 2^49140887 is an apocalyptic number.

49140887 is a deficient number, since it is larger than the sum of its proper divisors (1).

49140887 is an equidigital number, since it uses as much as digits as its factorization.

49140887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 49140887 is about 7010.0561338694. The cubic root of 49140887 is about 366.2809487450.

The spelling of 49140887 in words is "forty-nine million, one hundred forty thousand, eight hundred eighty-seven".