49291723 has 12 divisors (see below), whose sum is σ = 53626320. Its totient is φ = 45286176.

The previous prime is 49291663. The next prime is 49291729. The reversal of 49291723 is 32719294.

It is a de Polignac number, because none of the positive numbers 2^k-49291723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49291729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43893 + ... + 45001.

It is an arithmetic number, because the mean of its divisors is an integer number (4468860).

Almost surely, 2^49291723 is an apocalyptic number.

49291723 is a deficient number, since it is larger than the sum of its proper divisors (4334597).

49291723 is a wasteful number, since it uses less digits than its factorization.

49291723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1385 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 49291723 is about 7020.8064351611. The cubic root of 49291723 is about 366.6553275649.

The spelling of 49291723 in words is "forty-nine million, two hundred ninety-one thousand, seven hundred twenty-three".