49197587 has 2 divisors, whose sum is σ = 49197588. Its totient is φ = 49197586.

The previous prime is 49197583. The next prime is 49197607. The reversal of 49197587 is 78579194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49197587 - 2² = 49197583 is a prime.

It is not a weakly prime, because it can be changed into another prime (49197583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24598793 + 24598794.

It is an arithmetic number, because the mean of its divisors is an integer number (24598794).

Almost surely, 2^49197587 is an apocalyptic number.

49197587 is a deficient number, since it is larger than the sum of its proper divisors (1).

49197587 is an equidigital number, since it uses as much as digits as its factorization.

49197587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 50.

The square root of 49197587 is about 7014.0991581243. The cubic root of 49197587 is about 366.4217693433.

The spelling of 49197587 in words is "forty-nine million, one hundred ninety-seven thousand, five hundred eighty-seven".