49592989 has 4 divisors (see below), whose sum is σ = 49842400. Its totient is φ = 49343580.

The previous prime is 49592971. The next prime is 49593013. The reversal of 49592989 is 98929594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98929594 = 2 ⋅49464797.

It is a cyclic number.

It is not a de Polignac number, because 49592989 - 2⁵ = 49592957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49592909) 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, 124407 + ... + 124804.

It is an arithmetic number, because the mean of its divisors is an integer number (12460600).

Almost surely, 2^49592989 is an apocalyptic number.

It is an amenable number.

49592989 is a deficient number, since it is larger than the sum of its proper divisors (249411).

49592989 is a wasteful number, since it uses less digits than its factorization.

49592989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249410.

The product of its digits is 2099520, while the sum is 55.

The square root of 49592989 is about 7042.2289795206. The cubic root of 49592989 is about 367.4007975717.

The spelling of 49592989 in words is "forty-nine million, five hundred ninety-two thousand, nine hundred eighty-nine".