45455563 has 4 divisors (see below), whose sum is σ = 45727920. Its totient is φ = 45183208.

The previous prime is 45455561. The next prime is 45455587. The reversal of 45455563 is 36555454.

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 45455563 - 2¹ = 45455561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45455561) 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, 135928 + ... + 136261.

It is an arithmetic number, because the mean of its divisors is an integer number (11431980).

Almost surely, 2^45455563 is an apocalyptic number.

45455563 is a deficient number, since it is larger than the sum of its proper divisors (272357).

45455563 is a wasteful number, since it uses less digits than its factorization.

45455563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272356.

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

The square root of 45455563 is about 6742.0740874007. The cubic root of 45455563 is about 356.8855907923.

The spelling of 45455563 in words is "forty-five million, four hundred fifty-five thousand, five hundred sixty-three".