55726858 has 8 divisors (see below), whose sum is σ = 91189440. Its totient is φ = 25330380.

The previous prime is 55726841. The next prime is 55726859. The reversal of 55726858 is 85862755.

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

It is not an unprimeable number, because it can be changed into a prime (55726859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266498 + ... + 1266541.

It is an arithmetic number, because the mean of its divisors is an integer number (11398680).

Almost surely, 2^55726858 is an apocalyptic number.

55726858 is a deficient number, since it is larger than the sum of its proper divisors (35462582).

55726858 is a wasteful number, since it uses less digits than its factorization.

55726858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533052.

The product of its digits is 672000, while the sum is 46.

The square root of 55726858 is about 7465.0423977363. The cubic root of 55726858 is about 381.9631964762.

The spelling of 55726858 in words is "fifty-five million, seven hundred twenty-six thousand, eight hundred fifty-eight".