49618743 has 4 divisors (see below), whose sum is σ = 66158328. Its totient is φ = 33079160.

The previous prime is 49618741. The next prime is 49618763. The reversal of 49618743 is 34781694.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49618743 - 2¹ = 49618741 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49618695 and 49618704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49618741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8269788 + ... + 8269793.

It is an arithmetic number, because the mean of its divisors is an integer number (16539582).

Almost surely, 2^49618743 is an apocalyptic number.

49618743 is a deficient number, since it is larger than the sum of its proper divisors (16539585).

49618743 is a wasteful number, since it uses less digits than its factorization.

49618743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16539584.

The product of its digits is 145152, while the sum is 42.

The square root of 49618743 is about 7044.0572825610. The cubic root of 49618743 is about 367.4643845350.

The spelling of 49618743 in words is "forty-nine million, six hundred eighteen thousand, seven hundred forty-three".