45564553 has 4 divisors (see below), whose sum is σ = 45648400. Its totient is φ = 45480708.

The previous prime is 45564511. The next prime is 45564557. The reversal of 45564553 is 35546554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45564553 is a prime.

It is a super-2 number, since 2×45564553² = 4152256980179618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45564557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41103 + ... + 42196.

It is an arithmetic number, because the mean of its divisors is an integer number (11412100).

Almost surely, 2^45564553 is an apocalyptic number.

It is an amenable number.

45564553 is a deficient number, since it is larger than the sum of its proper divisors (83847).

45564553 is an equidigital number, since it uses as much as digits as its factorization.

45564553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83846.

The product of its digits is 180000, while the sum is 37.

The square root of 45564553 is about 6750.1520723610. The cubic root of 45564553 is about 357.1706011133.

The spelling of 45564553 in words is "forty-five million, five hundred sixty-four thousand, five hundred fifty-three".