55026128 has 40 divisors (see below), whose sum is σ = 112775520. Its totient is φ = 25937280.

The previous prime is 55026089. The next prime is 55026131. The reversal of 55026128 is 82162055.

It is a self number, because there is not a number n which added to its sum of digits gives 55026128.

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, 96083 + ... + 96653.

It is an arithmetic number, because the mean of its divisors is an integer number (2819388).

Almost surely, 2^55026128 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 55026128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56387760).

55026128 is an abundant number, since it is smaller than the sum of its proper divisors (57749392).

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

55026128 is a wasteful number, since it uses less digits than its factorization.

55026128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 55026128 is about 7417.9598273380. The cubic root of 55026128 is about 380.3554568711.

The spelling of 55026128 in words is "fifty-five million, twenty-six thousand, one hundred twenty-eight".