49163587 has 4 divisors (see below), whose sum is σ = 53633016. Its totient is φ = 44694160.

The previous prime is 49163563. The next prime is 49163599. The reversal of 49163587 is 78536194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49163587 - 2¹⁵ = 49130819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49163537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234698 + ... + 2234719.

It is an arithmetic number, because the mean of its divisors is an integer number (13408254).

Almost surely, 2^49163587 is an apocalyptic number.

49163587 is a deficient number, since it is larger than the sum of its proper divisors (4469429).

49163587 is a wasteful number, since it uses less digits than its factorization.

49163587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469428.

The product of its digits is 181440, while the sum is 43.

The square root of 49163587 is about 7011.6750495156. The cubic root of 49163587 is about 366.3373396522.

The spelling of 49163587 in words is "forty-nine million, one hundred sixty-three thousand, five hundred eighty-seven".