55688012 has 24 divisors (see below), whose sum is σ = 103748400. Its totient is φ = 26078976.

The previous prime is 55688011. The next prime is 55688029. The reversal of 55688012 is 21088655.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55688011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648 + ... + 10880.

It is an arithmetic number, because the mean of its divisors is an integer number (4322850).

Almost surely, 2^55688012 is an apocalyptic number.

It is an amenable number.

55688012 is a deficient number, since it is larger than the sum of its proper divisors (48060388).

55688012 is a wasteful number, since it uses less digits than its factorization.

55688012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345 (or 8343 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 55688012 is about 7462.4400835116. The cubic root of 55688012 is about 381.8744230560.

The spelling of 55688012 in words is "fifty-five million, six hundred eighty-eight thousand, twelve".