55856012 has 18 divisors (see below), whose sum is σ = 98988708. Its totient is φ = 27577912.

The previous prime is 55855979. The next prime is 55856027. The reversal of 55856012 is 21065855.

It is a self number, because there is not a number n which added to its sum of digits gives 55856012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26543 + ... + 28569.

Almost surely, 2^55856012 is an apocalyptic number.

It is an amenable number.

55856012 is a deficient number, since it is larger than the sum of its proper divisors (43132696).

55856012 is a wasteful number, since it uses less digits than its factorization.

55856012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 55856012 is about 7473.6879785016. The cubic root of 55856012 is about 382.2580513831.

The spelling of 55856012 in words is "fifty-five million, eight hundred fifty-six thousand, twelve".