55728082755 has 64 divisors (see below), whose sum is σ = 104949457920. Its totient is φ = 27960104448.

The previous prime is 55728082723. The next prime is 55728082757.

55728082755 is a `hidden beast` number, since 557 + 2 + 8 + 0 + 82 + 7 + 5 + 5 = 666.

55728082755 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55728082755 - 2⁵ = 55728082723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55728082757) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6428554 + ... + 6437216.

It is an arithmetic number, because the mean of its divisors is an integer number (1639835280).

Almost surely, 2^55728082755 is an apocalyptic number.

55728082755 is a deficient number, since it is larger than the sum of its proper divisors (49221375165).

55728082755 is a wasteful number, since it uses less digits than its factorization.

55728082755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11497 (or 11491 counting only the distinct ones).

The product of its (nonzero) digits is 7840000, while the sum is 54.

The spelling of 55728082755 in words is "fifty-five billion, seven hundred twenty-eight million, eighty-two thousand, seven hundred fifty-five".