55418404 has 6 divisors (see below), whose sum is σ = 96982214. Its totient is φ = 27709200.

The previous prime is 55418401. The next prime is 55418413. The reversal of 55418404 is 40481455.

55418404 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., 44195904 + 11222500 = 6648^2 + 3350^2 .

It is not an unprimeable number, because it can be changed into a prime (55418401) by changing a digit.

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, 6927297 + ... + 6927304.

Almost surely, 2^55418404 is an apocalyptic number.

It is an amenable number.

55418404 is a deficient number, since it is larger than the sum of its proper divisors (41563810).

55418404 is a wasteful number, since it uses less digits than its factorization.

55418404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13854605 (or 13854603 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 55418404 is about 7444.3538336111. The cubic root of 55418404 is about 381.2571567590.

Adding to 55418404 its reverse (40481455), we get a palindrome (95899859).

It can be divided in two parts, 5541 and 8404, that multiplied together give a palindrome (46566564).

The spelling of 55418404 in words is "fifty-five million, four hundred eighteen thousand, four hundred four".