55828127521 has 8 divisors (see below), whose sum is σ = 57129712640. Its totient is φ = 54526690512.

The previous prime is 55828127513. The next prime is 55828127573. The reversal of 55828127521 is 12572182855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55828127521 - 2³ = 55828127513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55828127501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205920 + ... + 1251358.

It is an arithmetic number, because the mean of its divisors is an integer number (7141214080).

Almost surely, 2^55828127521 is an apocalyptic number.

It is an amenable number.

55828127521 is a deficient number, since it is larger than the sum of its proper divisors (1301585119).

55828127521 is a wasteful number, since it uses less digits than its factorization.

55828127521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74055.

The product of its digits is 448000, while the sum is 46.

The spelling of 55828127521 in words is "fifty-five billion, eight hundred twenty-eight million, one hundred twenty-seven thousand, five hundred twenty-one".