55030286 has 8 divisors (see below), whose sum is σ = 82585560. Its totient is φ = 27501768.

The previous prime is 55030259. The next prime is 55030291. The reversal of 55030286 is 68203055.

55030286 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.

It is a congruent number.

It is an unprimeable number.

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, 341 + ... + 10496.

It is an arithmetic number, because the mean of its divisors is an integer number (10323195).

Almost surely, 2^55030286 is an apocalyptic number.

55030286 is a deficient number, since it is larger than the sum of its proper divisors (27555274).

55030286 is a wasteful number, since it uses less digits than its factorization.

55030286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13378.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 55030286 is about 7418.2400877836. The cubic root of 55030286 is about 380.3650370361.

The spelling of 55030286 in words is "fifty-five million, thirty thousand, two hundred eighty-six".