55856712 has 32 divisors (see below), whose sum is σ = 140575680. Its totient is φ = 18494400.

The previous prime is 55856711. The next prime is 55856741. The reversal of 55856712 is 21765855.

It is not an unprimeable number, because it can be changed into a prime (55856711) 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 7 ways as a sum of consecutive naturals, for example, 4083 + ... + 11330.

It is an arithmetic number, because the mean of its divisors is an integer number (4392990).

Almost surely, 2^55856712 is an apocalyptic number.

It is an amenable number.

55856712 is an abundant number, since it is smaller than the sum of its proper divisors (84718968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55856712 is a wasteful number, since it uses less digits than its factorization.

55856712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15573 (or 15569 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 55856712 is about 7473.7348093172. The cubic root of 55856712 is about 382.2596482242.

The spelling of 55856712 in words is "fifty-five million, eight hundred fifty-six thousand, seven hundred twelve".