49938145 has 16 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 38438848.

The previous prime is 49938143. The next prime is 49938169. The reversal of 49938145 is 54183994.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 49938145 - 2¹ = 49938143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49938143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69096 + ... + 69814.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^49938145 is an apocalyptic number.

It is an amenable number.

49938145 is a deficient number, since it is larger than the sum of its proper divisors (12269855).

49938145 is a wasteful number, since it uses less digits than its factorization.

49938145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its digits is 155520, while the sum is 43.

The square root of 49938145 is about 7066.6926493233. The cubic root of 49938145 is about 368.2511699965.

The spelling of 49938145 in words is "forty-nine million, nine hundred thirty-eight thousand, one hundred forty-five".