45500553 has 24 divisors (see below), whose sum is σ = 76534848. Its totient is φ = 25507872.

The previous prime is 45500549. The next prime is 45500597. The reversal of 45500553 is 35500554.

It is not a de Polignac number, because 45500553 - 2² = 45500549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45500503) 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 23 ways as a sum of consecutive naturals, for example, 3475 + ... + 10152.

It is an arithmetic number, because the mean of its divisors is an integer number (3188952).

Almost surely, 2^45500553 is an apocalyptic number.

It is an amenable number.

45500553 is a deficient number, since it is larger than the sum of its proper divisors (31034295).

45500553 is a wasteful number, since it uses less digits than its factorization.

45500553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13693 (or 13690 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 45500553 is about 6745.4097725787. The cubic root of 45500553 is about 357.0032954054.

Subtracting from 45500553 its reverse (35500554), we obtain a palindrome (9999999).

The spelling of 45500553 in words is "forty-five million, five hundred thousand, five hundred fifty-three".