55493804 has 12 divisors (see below), whose sum is σ = 97813800. Its totient is φ = 27547008.

The previous prime is 55493803. The next prime is 55493833. The reversal of 55493804 is 40839455.

It is a happy number.

55493804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55493803) 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 in 3 ways as a sum of consecutive naturals, for example, 49349 + ... + 50460.

It is an arithmetic number, because the mean of its divisors is an integer number (8151150).

Almost surely, 2^55493804 is an apocalyptic number.

It is an amenable number.

55493804 is a deficient number, since it is larger than the sum of its proper divisors (42319996).

55493804 is a wasteful number, since it uses less digits than its factorization.

55493804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99952 (or 99950 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 55493804 is about 7449.4163529769. The cubic root of 55493804 is about 381.4299860007.

The spelling of 55493804 in words is "fifty-five million, four hundred ninety-three thousand, eight hundred four".