55545304 has 32 divisors (see below), whose sum is σ = 108662400. Its totient is φ = 26588160.

The previous prime is 55545289. The next prime is 55545323. The reversal of 55545304 is 40354555.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22902 + ... + 25210.

It is an arithmetic number, because the mean of its divisors is an integer number (3395700).

Almost surely, 2^55545304 is an apocalyptic number.

It is an amenable number.

55545304 is a deficient number, since it is larger than the sum of its proper divisors (53117096).

55545304 is a wasteful number, since it uses less digits than its factorization.

55545304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 55545304 is about 7452.8721980187. The cubic root of 55545304 is about 381.5479425374.

Adding to 55545304 its reverse (40354555), we get a palindrome (95899859).

The spelling of 55545304 in words is "fifty-five million, five hundred forty-five thousand, three hundred four".