45556813 has 16 divisors (see below), whose sum is σ = 50889600. Its totient is φ = 40582080.

The previous prime is 45556807. The next prime is 45556817. The reversal of 45556813 is 31865554.

45556813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45556813 - 2¹³ = 45548621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45556817) 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 15 ways as a sum of consecutive naturals, for example, 25803 + ... + 27511.

It is an arithmetic number, because the mean of its divisors is an integer number (3180600).

Almost surely, 2^45556813 is an apocalyptic number.

It is an amenable number.

45556813 is a deficient number, since it is larger than the sum of its proper divisors (5332787).

45556813 is a wasteful number, since it uses less digits than its factorization.

45556813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812.

The product of its digits is 72000, while the sum is 37.

The square root of 45556813 is about 6749.5787275948. The cubic root of 45556813 is about 357.1503759103.

The spelling of 45556813 in words is "forty-five million, five hundred fifty-six thousand, eight hundred thirteen".