45555543 has 12 divisors (see below), whose sum is σ = 71784648. Its totient is φ = 27609360.

The previous prime is 45555509. The next prime is 45555553. The reversal of 45555543 is 34555554.

It is not a de Polignac number, because 45555543 - 2¹² = 45551447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45555498 and 45555507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45555553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229980 + ... + 230177.

It is an arithmetic number, because the mean of its divisors is an integer number (5982054).

Almost surely, 2^45555543 is an apocalyptic number.

45555543 is a deficient number, since it is larger than the sum of its proper divisors (26229105).

45555543 is a wasteful number, since it uses less digits than its factorization.

45555543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460174 (or 460171 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 45555543 is about 6749.4846469934. The cubic root of 45555543 is about 357.1470570858.

The spelling of 45555543 in words is "forty-five million, five hundred fifty-five thousand, five hundred forty-three".