49243618 has 8 divisors (see below), whose sum is σ = 74183148. Its totient is φ = 24515904.

The previous prime is 49243613. The next prime is 49243627. The reversal of 49243618 is 81634294.

It can be written as a sum of positive squares in 2 ways, for example, as 49238289 + 5329 = 7017^2 + 73^2 .

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

It is not an unprimeable number, because it can be changed into a prime (49243613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52371 + ... + 53302.

Almost surely, 2^49243618 is an apocalyptic number.

49243618 is a deficient number, since it is larger than the sum of its proper divisors (24939530).

49243618 is a wasteful number, since it uses less digits than its factorization.

49243618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105908.

The product of its digits is 41472, while the sum is 37.

The square root of 49243618 is about 7017.3797104047. The cubic root of 49243618 is about 366.5360127703.

The spelling of 49243618 in words is "forty-nine million, two hundred forty-three thousand, six hundred eighteen".