55926784 has 28 divisors (see below), whose sum is σ = 111863124. Its totient is φ = 27959296.

The previous prime is 55926779. The next prime is 55926791. The reversal of 55926784 is 48762955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4779 + ... + 11605.

Almost surely, 2^55926784 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 55926784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55931562).

55926784 is an abundant number, since it is smaller than the sum of its proper divisors (55936340).

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

55926784 is an frugal number, since it uses more digits than its factorization.

55926784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853 (or 6829 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 55926784 is about 7478.4212237611. The cubic root of 55926784 is about 382.4194291115.

The spelling of 55926784 in words is "fifty-five million, nine hundred twenty-six thousand, seven hundred eighty-four".