49518983 has 4 divisors (see below), whose sum is σ = 49631208. Its totient is φ = 49406760.

The previous prime is 49518967. The next prime is 49518991. The reversal of 49518983 is 38981594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38981594 = 2 ⋅19490797.

It is a cyclic number.

It is not a de Polignac number, because 49518983 - 2⁴ = 49518967 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 (49518923) 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, 55448 + ... + 56333.

It is an arithmetic number, because the mean of its divisors is an integer number (12407802).

Almost surely, 2^49518983 is an apocalyptic number.

49518983 is a deficient number, since it is larger than the sum of its proper divisors (112225).

49518983 is a wasteful number, since it uses less digits than its factorization.

49518983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112224.

The product of its digits is 311040, while the sum is 47.

The square root of 49518983 is about 7036.9725734864. The cubic root of 49518983 is about 367.2179531815.

The spelling of 49518983 in words is "forty-nine million, five hundred eighteen thousand, nine hundred eighty-three".