49731845 has 8 divisors (see below), whose sum is σ = 59798520. Its totient is φ = 39705280.

The previous prime is 49731833. The next prime is 49731853. The reversal of 49731845 is 54813794.

It can be written as a sum of positive squares in 4 ways, for example, as 6145441 + 43586404 = 2479^2 + 6602^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49731845 - 2¹⁸ = 49469701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7226 + ... + 12315.

It is an arithmetic number, because the mean of its divisors is an integer number (7474815).

Almost surely, 2^49731845 is an apocalyptic number.

It is an amenable number.

49731845 is a deficient number, since it is larger than the sum of its proper divisors (10066675).

49731845 is a wasteful number, since it uses less digits than its factorization.

49731845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20055.

The product of its digits is 120960, while the sum is 41.

The square root of 49731845 is about 7052.0808985717. The cubic root of 49731845 is about 367.7433746634.

The spelling of 49731845 in words is "forty-nine million, seven hundred thirty-one thousand, eight hundred forty-five".