49985603 has 4 divisors (see below), whose sum is σ = 50002968. Its totient is φ = 49968240.

The previous prime is 49985587. The next prime is 49985623. The reversal of 49985603 is 30658994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30658994 = 2 ⋅15329497.

It is a cyclic number.

It is not a de Polignac number, because 49985603 - 2⁴ = 49985587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49985623) 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, 3218 + ... + 10503.

It is an arithmetic number, because the mean of its divisors is an integer number (12500742).

Almost surely, 2^49985603 is an apocalyptic number.

49985603 is a deficient number, since it is larger than the sum of its proper divisors (17365).

49985603 is a wasteful number, since it uses less digits than its factorization.

49985603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17364.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 49985603 is about 7070.0497169398. The cubic root of 49985603 is about 368.3677871354.

It can be divided in two parts, 4998 and 5603, that added together give a palindrome (10601).

The spelling of 49985603 in words is "forty-nine million, nine hundred eighty-five thousand, six hundred three".