55757792 has 48 divisors (see below), whose sum is σ = 113363712. Its totient is φ = 26981760.

The previous prime is 55757789. The next prime is 55757797. The reversal of 55757792 is 29775755.

55757792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55757797) 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 7 ways as a sum of consecutive naturals, for example, 196883 + ... + 197165.

It is an arithmetic number, because the mean of its divisors is an integer number (2361744).

Almost surely, 2^55757792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55757792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56681856).

55757792 is an abundant number, since it is smaller than the sum of its proper divisors (57605920).

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

55757792 is a wasteful number, since it uses less digits than its factorization.

55757792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 463 counting only the distinct ones).

The product of its digits is 771750, while the sum is 47.

The square root of 55757792 is about 7467.1140342170. The cubic root of 55757792 is about 382.0338593746.

The spelling of 55757792 in words is "fifty-five million, seven hundred fifty-seven thousand, seven hundred ninety-two".