45555630 has 16 divisors (see below), whose sum is σ = 109333584. Its totient is φ = 12148160.

The previous prime is 45555613. The next prime is 45555641. The reversal of 45555630 is 3655554.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45555591 and 45555600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759231 + ... + 759290.

It is an arithmetic number, because the mean of its divisors is an integer number (6833349).

Almost surely, 2^45555630 is an apocalyptic number.

45555630 is an abundant number, since it is smaller than the sum of its proper divisors (63777954).

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

45555630 is a wasteful number, since it uses less digits than its factorization.

45555630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518531.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 45555630 is about 6749.4910919269. The cubic root of 45555630 is about 357.1472844404.

The spelling of 45555630 in words is "forty-five million, five hundred fifty-five thousand, six hundred thirty".