55402304 has 14 divisors (see below), whose sum is σ = 109939074. Its totient is φ = 27701120.

The previous prime is 55402279. The next prime is 55402349. The reversal of 55402304 is 40320455.

55402304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40347904 + 15054400 = 6352^2 + 3880^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55402304.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 432767 + ... + 432894.

It is an arithmetic number, because the mean of its divisors is an integer number (7852791).

Almost surely, 2^55402304 is an apocalyptic number.

It is an amenable number.

55402304 is a deficient number, since it is larger than the sum of its proper divisors (54536770).

55402304 is an equidigital number, since it uses as much as digits as its factorization.

55402304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865673 (or 865663 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 55402304 is about 7443.2723986161. The cubic root of 55402304 is about 381.2202325948.

Adding to 55402304 its reverse (40320455), we get a palindrome (95722759).

The spelling of 55402304 in words is "fifty-five million, four hundred two thousand, three hundred four".