55286072 has 8 divisors (see below), whose sum is σ = 103661400. Its totient is φ = 27643032.

The previous prime is 55286071. The next prime is 55286107. The reversal of 55286072 is 27068255.

55286072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55286071) by changing a digit.

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 as a sum of consecutive naturals, namely, 3455372 + ... + 3455387.

It is an arithmetic number, because the mean of its divisors is an integer number (12957675).

Almost surely, 2^55286072 is an apocalyptic number.

It is an amenable number.

55286072 is a deficient number, since it is larger than the sum of its proper divisors (48375328).

55286072 is a wasteful number, since it uses less digits than its factorization.

55286072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910765 (or 6910761 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 55286072 is about 7435.4604430392. The cubic root of 55286072 is about 380.9534505903.

The spelling of 55286072 in words is "fifty-five million, two hundred eighty-six thousand, seventy-two".