45565523 has 4 divisors (see below), whose sum is σ = 46337880. Its totient is φ = 44793168.

The previous prime is 45565519. The next prime is 45565529. The reversal of 45565523 is 32556554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45565523 - 2² = 45565519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45565529) 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, 386090 + ... + 386207.

It is an arithmetic number, because the mean of its divisors is an integer number (11584470).

Almost surely, 2^45565523 is an apocalyptic number.

45565523 is a deficient number, since it is larger than the sum of its proper divisors (772357).

45565523 is an equidigital number, since it uses as much as digits as its factorization.

45565523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772356.

The product of its digits is 90000, while the sum is 35.

The square root of 45565523 is about 6750.2239222118. The cubic root of 45565523 is about 357.1731356348.

The spelling of 45565523 in words is "forty-five million, five hundred sixty-five thousand, five hundred twenty-three".