55412404 has 6 divisors (see below), whose sum is σ = 96971714. Its totient is φ = 27706200.

The previous prime is 55412381. The next prime is 55412429. The reversal of 55412404 is 40421455.

It is a happy number.

55412404 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., 33039504 + 22372900 = 5748^2 + 4730^2 .

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, 6926547 + ... + 6926554.

Almost surely, 2^55412404 is an apocalyptic number.

It is an amenable number.

55412404 is a deficient number, since it is larger than the sum of its proper divisors (41559310).

55412404 is a wasteful number, since it uses less digits than its factorization.

55412404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13853105 (or 13853103 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 55412404 is about 7443.9508327232. The cubic root of 55412404 is about 381.2433970369.

Adding to 55412404 its reverse (40421455), we get a palindrome (95833859).

The spelling of 55412404 in words is "fifty-five million, four hundred twelve thousand, four hundred four".