55804286 has 8 divisors (see below), whose sum is σ = 83795040. Its totient is φ = 27872608.

The previous prime is 55804271. The next prime is 55804289. The reversal of 55804286 is 68240855.

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

It is a super-2 number, since 2×55804286² = 6228236671939592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55804289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12326 + ... + 16233.

It is an arithmetic number, because the mean of its divisors is an integer number (10474380).

Almost surely, 2^55804286 is an apocalyptic number.

55804286 is a deficient number, since it is larger than the sum of its proper divisors (27990754).

55804286 is a wasteful number, since it uses less digits than its factorization.

55804286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29538.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 55804286 is about 7470.2266364549. The cubic root of 55804286 is about 382.1400170184.

The spelling of 55804286 in words is "fifty-five million, eight hundred four thousand, two hundred eighty-six".