45056517 has 48 divisors (see below), whose sum is σ = 71668800. Its totient is φ = 24935680.

The previous prime is 45056507. The next prime is 45056521. The reversal of 45056517 is 71565054.

It is not a de Polignac number, because 45056517 - 2¹¹ = 45054469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45056507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 506209 + ... + 506297.

It is an arithmetic number, because the mean of its divisors is an integer number (1493100).

Almost surely, 2^45056517 is an apocalyptic number.

It is an amenable number.

45056517 is a deficient number, since it is larger than the sum of its proper divisors (26612283).

45056517 is a wasteful number, since it uses less digits than its factorization.

45056517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 45056517 is about 6712.4151391284. The cubic root of 45056517 is about 355.8381755154.

The spelling of 45056517 in words is "forty-five million, fifty-six thousand, five hundred seventeen".