55336428784 has 40 divisors (see below), whose sum is σ = 131956102880. Its totient is φ = 21891333888.

The previous prime is 55336428779. The next prime is 55336428811. The reversal of 55336428784 is 48782463355.

55336428784 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19001439 + ... + 19004350.

It is an arithmetic number, because the mean of its divisors is an integer number (3298902572).

Almost surely, 2^55336428784 is an apocalyptic number.

It is an amenable number.

55336428784 is an abundant number, since it is smaller than the sum of its proper divisors (76619674096).

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

55336428784 is a wasteful number, since it uses less digits than its factorization.

55336428784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38005817 (or 38005811 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 55.

The spelling of 55336428784 in words is "fifty-five billion, three hundred thirty-six million, four hundred twenty-eight thousand, seven hundred eighty-four".