45553573 has 8 divisors (see below), whose sum is σ = 49150808. Its totient is φ = 41969664.

The previous prime is 45553561. The next prime is 45553603. The reversal of 45553573 is 37535554.

It can be written as a sum of positive squares in 4 ways, for example, as 22829284 + 22724289 = 4778^2 + 4767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45553573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45553513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4465 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (6143851).

Almost surely, 2^45553573 is an apocalyptic number.

It is an amenable number.

45553573 is a deficient number, since it is larger than the sum of its proper divisors (3597235).

45553573 is a wasteful number, since it uses less digits than its factorization.

45553573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663.

The product of its digits is 157500, while the sum is 37.

The square root of 45553573 is about 6749.3387083477. The cubic root of 45553573 is about 357.1419088661.

It can be divided in two parts, 4555 and 3573, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 45553573 in words is "forty-five million, five hundred fifty-three thousand, five hundred seventy-three".