49990045 has 24 divisors (see below), whose sum is σ = 73461600. Its totient is φ = 32471712.

The previous prime is 49989991. The next prime is 49990069. The reversal of 49990045 is 54009994.

It is not a de Polignac number, because 49990045 - 2²³ = 41601437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 715 + ... + 10024.

It is an arithmetic number, because the mean of its divisors is an integer number (3060900).

Almost surely, 2^49990045 is an apocalyptic number.

It is an amenable number.

49990045 is a deficient number, since it is larger than the sum of its proper divisors (23471555).

49990045 is a wasteful number, since it uses less digits than its factorization.

49990045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10777 (or 10770 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 49990045 is about 7070.3638520235. The cubic root of 49990045 is about 368.3786985522.

The spelling of 49990045 in words is "forty-nine million, nine hundred ninety thousand, forty-five".