49205987 has 2 divisors, whose sum is σ = 49205988. Its totient is φ = 49205986.

The previous prime is 49205971. The next prime is 49205999. The reversal of 49205987 is 78950294.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49205987 - 2⁴ = 49205971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49205957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24602993 + 24602994.

It is an arithmetic number, because the mean of its divisors is an integer number (24602994).

Almost surely, 2^49205987 is an apocalyptic number.

49205987 is a deficient number, since it is larger than the sum of its proper divisors (1).

49205987 is an equidigital number, since it uses as much as digits as its factorization.

49205987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 49205987 is about 7014.6979264969. The cubic root of 49205987 is about 366.4426224507.

The spelling of 49205987 in words is "forty-nine million, two hundred five thousand, nine hundred eighty-seven".