55573726 has 8 divisors (see below), whose sum is σ = 89772984. Its totient is φ = 25649400.

The previous prime is 55573723. The next prime is 55573747. The reversal of 55573726 is 62737555.

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 (55573723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068700 + ... + 1068751.

It is an arithmetic number, because the mean of its divisors is an integer number (11221623).

Almost surely, 2^55573726 is an apocalyptic number.

55573726 is a deficient number, since it is larger than the sum of its proper divisors (34199258).

55573726 is a wasteful number, since it uses less digits than its factorization.

55573726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137466.

The product of its digits is 220500, while the sum is 40.

The square root of 55573726 is about 7454.7787358177. The cubic root of 55573726 is about 381.6130095830.

The spelling of 55573726 in words is "fifty-five million, five hundred seventy-three thousand, seven hundred twenty-six".