55565546 has 16 divisors (see below), whose sum is σ = 85536000. Its totient is φ = 27057408.

The previous prime is 55565533. The next prime is 55565563. The reversal of 55565546 is 64556555.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37895 + ... + 39333.

It is an arithmetic number, because the mean of its divisors is an integer number (5346000).

Almost surely, 2^55565546 is an apocalyptic number.

55565546 is a deficient number, since it is larger than the sum of its proper divisors (29970454).

55565546 is a wasteful number, since it uses less digits than its factorization.

55565546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933.

The product of its digits is 450000, while the sum is 41.

The square root of 55565546 is about 7454.2300742598. The cubic root of 55565546 is about 381.5942852216.

The spelling of 55565546 in words is "fifty-five million, five hundred sixty-five thousand, five hundred forty-six".