45193555 has 16 divisors (see below), whose sum is σ = 60424704. Its totient is φ = 32166880.

The previous prime is 45193553. The next prime is 45193579. The reversal of 45193555 is 55539154.

45193555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45193555 - 2¹ = 45193553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45193553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6157 + ... + 11326.

It is an arithmetic number, because the mean of its divisors is an integer number (3776544).

Almost surely, 2^45193555 is an apocalyptic number.

45193555 is a deficient number, since it is larger than the sum of its proper divisors (15231149).

45193555 is a wasteful number, since it uses less digits than its factorization.

45193555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17546.

The product of its digits is 67500, while the sum is 37.

The square root of 45193555 is about 6722.6151905341. The cubic root of 45193555 is about 356.1985673158.

It can be divided in two parts, 45 and 193555, that added together give a square (193600 = 440²).

The spelling of 45193555 in words is "forty-five million, one hundred ninety-three thousand, five hundred fifty-five".