45533556 has 24 divisors (see below), whose sum is σ = 118050240. Its totient is φ = 15177816.

The previous prime is 45533533. The next prime is 45533581. The reversal of 45533556 is 65533554.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 45533556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210696 + ... + 210911.

It is an arithmetic number, because the mean of its divisors is an integer number (4918760).

Almost surely, 2^45533556 is an apocalyptic number.

It is an amenable number.

45533556 is an abundant number, since it is smaller than the sum of its proper divisors (72516684).

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

45533556 is a wasteful number, since it uses less digits than its factorization.

45533556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421620 (or 421612 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 45533556 is about 6747.8556593928. The cubic root of 45533556 is about 357.0895898309.

The spelling of 45533556 in words is "forty-five million, five hundred thirty-three thousand, five hundred fifty-six".