55294000128 has 264 divisors, whose sum is σ = 163402184400. Its totient is φ = 18004377600.

The previous prime is 55294000087. The next prime is 55294000129. The reversal of 55294000128 is 82100049255.

55294000128 is a `hidden beast` number, since 5 + 529 + 4 + 0 + 0 + 0 + 128 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55294000092 and 55294000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55294000129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92003028 + ... + 92003628.

Almost surely, 2^55294000128 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 55294000128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81701092200).

55294000128 is an abundant number, since it is smaller than the sum of its proper divisors (108108184272).

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

55294000128 is a wasteful number, since it uses less digits than its factorization.

55294000128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 55294000128 in words is "fifty-five billion, two hundred ninety-four million, one hundred twenty-eight", and thus it is an aban number.