48491587 has 2 divisors, whose sum is σ = 48491588. Its totient is φ = 48491586.

The previous prime is 48491581. The next prime is 48491617. The reversal of 48491587 is 78519484.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48491587 - 2³ = 48491579 is a prime.

It is not a weakly prime, because it can be changed into another prime (48491581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24245793 + 24245794.

It is an arithmetic number, because the mean of its divisors is an integer number (24245794).

Almost surely, 2^48491587 is an apocalyptic number.

48491587 is a deficient number, since it is larger than the sum of its proper divisors (1).

48491587 is an equidigital number, since it uses as much as digits as its factorization.

48491587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 46.

The square root of 48491587 is about 6963.5900941971. The cubic root of 48491587 is about 364.6605638998.

The spelling of 48491587 in words is "forty-eight million, four hundred ninety-one thousand, five hundred eighty-seven".