55923768 has 24 divisors (see below), whose sum is σ = 151460400. Its totient is φ = 18641232.

The previous prime is 55923757. The next prime is 55923781. The reversal of 55923768 is 86732955.

It is a happy number.

55923768 is a `hidden beast` number, since 559 + 2 + 37 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

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, 388288 + ... + 388431.

It is an arithmetic number, because the mean of its divisors is an integer number (6310850).

Almost surely, 2^55923768 is an apocalyptic number.

It is an amenable number.

55923768 is an abundant number, since it is smaller than the sum of its proper divisors (95536632).

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

55923768 is a wasteful number, since it uses less digits than its factorization.

55923768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776731 (or 776724 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 55923768 is about 7478.2195742035. The cubic root of 55923768 is about 382.4125546610.

The spelling of 55923768 in words is "fifty-five million, nine hundred twenty-three thousand, seven hundred sixty-eight".