55493902 has 8 divisors (see below), whose sum is σ = 83722536. Its totient is φ = 27586392.

The previous prime is 55493891. The next prime is 55493909. The reversal of 55493902 is 20939455.

55493902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55493909) 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, 79848 + ... + 80539.

It is an arithmetic number, because the mean of its divisors is an integer number (10465317).

Almost surely, 2^55493902 is an apocalyptic number.

55493902 is a deficient number, since it is larger than the sum of its proper divisors (28228634).

55493902 is a wasteful number, since it uses less digits than its factorization.

55493902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160562.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 55493902 is about 7449.4229306705. The cubic root of 55493902 is about 381.4302105310.

The spelling of 55493902 in words is "fifty-five million, four hundred ninety-three thousand, nine hundred two".