55656513001728 has 54 divisors (see below), whose sum is σ = 160471447867094. Its totient is φ = 18552170999808.

The previous prime is 55656513001697. The next prime is 55656513001729. The reversal of 55656513001728 is 82710031565655.

55656513001728 is a `hidden beast` number, since 5 + 5 + 6 + 56 + 513 + 0 + 0 + 1 + 72 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45364427737344 + 10292085264384 = 6735312^2 + 3208128^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55656513001729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12078234025 + ... + 12078238632.

Almost surely, 2^{55656513001728} is an apocalyptic number.

It is an amenable number.

55656513001728 is an abundant number, since it is smaller than the sum of its proper divisors (104814934865366).

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

55656513001728 is a wasteful number, since it uses less digits than its factorization.

55656513001728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24156472679 (or 24156472662 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 54.

The spelling of 55656513001728 in words is "fifty-five trillion, six hundred fifty-six billion, five hundred thirteen million, one thousand, seven hundred twenty-eight".