45543655 has 4 divisors (see below), whose sum is σ = 54652392. Its totient is φ = 36434920.

The previous prime is 45543653. The next prime is 45543683. The reversal of 45543655 is 55634554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55634554 = 2 ⋅27817277.

It is not a de Polignac number, because 45543655 - 2¹ = 45543653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45543653) 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, 4554361 + ... + 4554370.

It is an arithmetic number, because the mean of its divisors is an integer number (13663098).

Almost surely, 2^45543655 is an apocalyptic number.

45543655 is a deficient number, since it is larger than the sum of its proper divisors (9108737).

45543655 is an equidigital number, since it uses as much as digits as its factorization.

45543655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9108736.

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

The square root of 45543655 is about 6748.6039297028. The cubic root of 45543655 is about 357.1159878071.

The spelling of 45543655 in words is "forty-five million, five hundred forty-three thousand, six hundred fifty-five".