55159326428 has 6 divisors (see below), whose sum is σ = 96528821256. Its totient is φ = 27579663212.

The previous prime is 55159326421. The next prime is 55159326461. The reversal of 55159326428 is 82462395155.

55159326428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55159326421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6894915800 + ... + 6894915807.

It is an arithmetic number, because the mean of its divisors is an integer number (16088136876).

Almost surely, 2^55159326428 is an apocalyptic number.

It is an amenable number.

55159326428 is a deficient number, since it is larger than the sum of its proper divisors (41369494828).

55159326428 is a wasteful number, since it uses less digits than its factorization.

55159326428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789831611 (or 13789831609 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 50.

The spelling of 55159326428 in words is "fifty-five billion, one hundred fifty-nine million, three hundred twenty-six thousand, four hundred twenty-eight".