55904726 has 8 divisors (see below), whose sum is σ = 88270680. Its totient is φ = 26481168.

The previous prime is 55904713. The next prime is 55904741. The reversal of 55904726 is 62740955.

It is a happy number.

55904726 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 Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1471177 = 55904726 / (5 + 5 + 9 + 0 + 4 + 7 + 2 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 55904726.

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 in 3 ways as a sum of consecutive naturals, for example, 735551 + ... + 735626.

It is an arithmetic number, because the mean of its divisors is an integer number (11033835).

Almost surely, 2^55904726 is an apocalyptic number.

55904726 is a deficient number, since it is larger than the sum of its proper divisors (32365954).

55904726 is a wasteful number, since it uses less digits than its factorization.

55904726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471198.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 55904726 is about 7476.9463018000. The cubic root of 55904726 is about 382.3691460068.

The spelling of 55904726 in words is "fifty-five million, nine hundred four thousand, seven hundred twenty-six".