55726258 has 16 divisors (see below), whose sum is σ = 95707584. Its totient is φ = 23838480.

The previous prime is 55726247. The next prime is 55726261. The reversal of 55726258 is 85262755.

It is a super-3 number, since 3×55726258³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55726258.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4828 + ... + 11608.

It is an arithmetic number, because the mean of its divisors is an integer number (5981724).

Almost surely, 2^55726258 is an apocalyptic number.

55726258 is a deficient number, since it is larger than the sum of its proper divisors (39981326).

55726258 is a wasteful number, since it uses less digits than its factorization.

55726258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7377.

The product of its digits is 168000, while the sum is 40.

The square root of 55726258 is about 7465.0022103145. The cubic root of 55726258 is about 381.9618256307.

The spelling of 55726258 in words is "fifty-five million, seven hundred twenty-six thousand, two hundred fifty-eight".