49452618 has 16 divisors (see below), whose sum is σ = 99830880. Its totient is φ = 16329936.

The previous prime is 49452617. The next prime is 49452659. The reversal of 49452618 is 81625494.

49452618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49452618² = 4891122854107848, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49452617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37873 + ... + 39156.

It is an arithmetic number, because the mean of its divisors is an integer number (6239430).

Almost surely, 2^49452618 is an apocalyptic number.

49452618 is an abundant number, since it is smaller than the sum of its proper divisors (50378262).

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

49452618 is a wasteful number, since it uses less digits than its factorization.

49452618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77141.

The product of its digits is 69120, while the sum is 39.

The square root of 49452618 is about 7032.2555414319. The cubic root of 49452618 is about 367.0538321844.

The spelling of 49452618 in words is "forty-nine million, four hundred fifty-two thousand, six hundred eighteen".