55493404 has 6 divisors (see below), whose sum is σ = 97113464. Its totient is φ = 27746700.

The previous prime is 55493393. The next prime is 55493407. The reversal of 55493404 is 40439455.

It is a happy number.

55493404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55493404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55493407) 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, 6936672 + ... + 6936679.

Almost surely, 2^55493404 is an apocalyptic number.

It is an amenable number.

55493404 is a deficient number, since it is larger than the sum of its proper divisors (41620060).

55493404 is a wasteful number, since it uses less digits than its factorization.

55493404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13873355 (or 13873353 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 55493404 is about 7449.3895051877. The cubic root of 55493404 is about 381.4290695479.

The spelling of 55493404 in words is "fifty-five million, four hundred ninety-three thousand, four hundred four".