55943574 has 8 divisors (see below), whose sum is σ = 111887160. Its totient is φ = 18647856.

The previous prime is 55943551. The next prime is 55943579. The reversal of 55943574 is 47534955.

55943574 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.

55943574 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55943579) 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, 4661959 + ... + 4661970.

It is an arithmetic number, because the mean of its divisors is an integer number (13985895).

Almost surely, 2^55943574 is an apocalyptic number.

55943574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55943574 is a wasteful number, since it uses less digits than its factorization.

55943574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323934.

The product of its digits is 378000, while the sum is 42.

The square root of 55943574 is about 7479.5437026599. The cubic root of 55943574 is about 382.4576944966.

The spelling of 55943574 in words is "fifty-five million, nine hundred forty-three thousand, five hundred seventy-four".