49201987 has 2 divisors, whose sum is σ = 49201988. Its totient is φ = 49201986.

The previous prime is 49201981. The next prime is 49201993. The reversal of 49201987 is 78910294.

It is a balanced prime because it is at equal distance from previous prime (49201981) and next prime (49201993).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49201987 is a prime.

It is not a weakly prime, because it can be changed into another prime (49201981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24600993 + 24600994.

It is an arithmetic number, because the mean of its divisors is an integer number (24600994).

Almost surely, 2^49201987 is an apocalyptic number.

49201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

49201987 is an equidigital number, since it uses as much as digits as its factorization.

49201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 49201987 is about 7014.4128050750. The cubic root of 49201987 is about 366.4326926955.

The spelling of 49201987 in words is "forty-nine million, two hundred one thousand, nine hundred eighty-seven".