49758618 has 96 divisors (see below), whose sum is σ = 127782144. Its totient is φ = 12797568.

The previous prime is 49758607. The next prime is 49758619. The reversal of 49758618 is 81685794.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49758619) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179496 + ... + 179772.

It is an arithmetic number, because the mean of its divisors is an integer number (1331064).

Almost surely, 2^49758618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49758618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63891072).

49758618 is an abundant number, since it is smaller than the sum of its proper divisors (78023526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49758618 is a wasteful number, since it uses less digits than its factorization.

49758618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 349 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 49758618 is about 7053.9788772012. The cubic root of 49758618 is about 367.8093540315.

The spelling of 49758618 in words is "forty-nine million, seven hundred fifty-eight thousand, six hundred eighteen".