49810618 has 48 divisors (see below), whose sum is σ = 90091008. Its totient is φ = 20512800.

The previous prime is 49810577. The next prime is 49810627. The reversal of 49810618 is 81601894.

It is a happy number.

49810618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 223255 + ... + 223477.

It is an arithmetic number, because the mean of its divisors is an integer number (1876896).

Almost surely, 2^49810618 is an apocalyptic number.

49810618 is a deficient number, since it is larger than the sum of its proper divisors (40280390).

49810618 is a wasteful number, since it uses less digits than its factorization.

49810618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 49810618 is about 7057.6637777667. The cubic root of 49810618 is about 367.9374352129.

The spelling of 49810618 in words is "forty-nine million, eight hundred ten thousand, six hundred eighteen".