28540756055 has 32 divisors (see below), whose sum is σ = 39361766400. Its totient is φ = 19461007872.

The previous prime is 28540756033. The next prime is 28540756093. The reversal of 28540756055 is 55065704582.

It is a cyclic number.

It is not a de Polignac number, because 28540756055 - 2⁸ = 28540755799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5695391 + ... + 5700399.

It is an arithmetic number, because the mean of its divisors is an integer number (1230055200).

Almost surely, 2^28540756055 is an apocalyptic number.

28540756055 is a deficient number, since it is larger than the sum of its proper divisors (10821010345).

28540756055 is a wasteful number, since it uses less digits than its factorization.

28540756055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5903.

The product of its (nonzero) digits is 1680000, while the sum is 47.

The spelling of 28540756055 in words is "twenty-eight billion, five hundred forty million, seven hundred fifty-six thousand, fifty-five".