55917792 has 72 divisors (see below), whose sum is σ = 181739376. Its totient is φ = 15975936.

The previous prime is 55917791. The next prime is 55917833. The reversal of 55917792 is 29771955.

55917792 is a `hidden beast` number, since 559 + 1 + 7 + 7 + 92 = 666.

55917792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55917791) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 11853 + ... + 15884.

It is an arithmetic number, because the mean of its divisors is an integer number (2524158).

Almost surely, 2^55917792 is an apocalyptic number.

It is an amenable number.

55917792 is an abundant number, since it is smaller than the sum of its proper divisors (125821584).

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

55917792 is a wasteful number, since it uses less digits than its factorization.

55917792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27760 (or 27749 counting only the distinct ones).

The product of its digits is 198450, while the sum is 45.

The square root of 55917792 is about 7477.8200031827. The cubic root of 55917792 is about 382.3989326721.

The spelling of 55917792 in words is "fifty-five million, nine hundred seventeen thousand, seven hundred ninety-two".