55423712 has 12 divisors (see below), whose sum is σ = 109115496. Its totient is φ = 27711840.

The previous prime is 55423699. The next prime is 55423733. The reversal of 55423712 is 21732455.

It is a happy number.

55423712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 as a sum of consecutive naturals, namely, 865964 + ... + 866027.

It is an arithmetic number, because the mean of its divisors is an integer number (9092958).

Almost surely, 2^55423712 is an apocalyptic number.

It is an amenable number.

55423712 is a deficient number, since it is larger than the sum of its proper divisors (53691784).

55423712 is a wasteful number, since it uses less digits than its factorization.

55423712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732001 (or 1731993 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 55423712 is about 7444.7103368768. The cubic root of 55423712 is about 381.2693286985.

The spelling of 55423712 in words is "fifty-five million, four hundred twenty-three thousand, seven hundred twelve".