49454987 has 2 divisors, whose sum is σ = 49454988. Its totient is φ = 49454986.

The previous prime is 49454983. The next prime is 49455011. The reversal of 49454987 is 78945494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49454987 - 2² = 49454983 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (49454981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24727493 + 24727494.

It is an arithmetic number, because the mean of its divisors is an integer number (24727494).

Almost surely, 2^49454987 is an apocalyptic number.

49454987 is a deficient number, since it is larger than the sum of its proper divisors (1).

49454987 is an equidigital number, since it uses as much as digits as its factorization.

49454987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 49454987 is about 7032.4239775486. The cubic root of 49454987 is about 367.0596932603.

The spelling of 49454987 in words is "forty-nine million, four hundred fifty-four thousand, nine hundred eighty-seven".