55256911406 has 12 divisors (see below), whose sum is σ = 85186060848. Its totient is φ = 26881739352.

The previous prime is 55256911387. The next prime is 55256911441. The reversal of 55256911406 is 60411965255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10088006 + ... + 10093481.

It is an arithmetic number, because the mean of its divisors is an integer number (7098838404).

Almost surely, 2^55256911406 is an apocalyptic number.

55256911406 is a deficient number, since it is larger than the sum of its proper divisors (29929149442).

55256911406 is a wasteful number, since it uses less digits than its factorization.

55256911406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20181563 (or 20181526 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 55256911406 in words is "fifty-five billion, two hundred fifty-six million, nine hundred eleven thousand, four hundred six".