49731811 has 8 divisors (see below), whose sum is σ = 52323264. Its totient is φ = 47206080.

The previous prime is 49731809. The next prime is 49731821. The reversal of 49731811 is 11813794.

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

It is not a de Polignac number, because 49731811 - 2¹ = 49731809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49731821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14875 + ... + 17908.

It is an arithmetic number, because the mean of its divisors is an integer number (6540408).

Almost surely, 2^49731811 is an apocalyptic number.

49731811 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

49731811 is a deficient number, since it is larger than the sum of its proper divisors (2591453).

49731811 is a wasteful number, since it uses less digits than its factorization.

49731811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32861.

The product of its digits is 6048, while the sum is 34.

The square root of 49731811 is about 7052.0784879353. The cubic root of 49731811 is about 367.7432908588.

The spelling of 49731811 in words is "forty-nine million, seven hundred thirty-one thousand, eight hundred eleven".