55256664154 has 16 divisors (see below), whose sum is σ = 83707121088. Its totient is φ = 27354583872.

The previous prime is 55256664137. The next prime is 55256664163. The reversal of 55256664154 is 45146665255.

It is a junction number, because it is equal to n+sod(n) for n = 55256664098 and 55256664107.

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 7 ways as a sum of consecutive naturals, for example, 309154 + ... + 453970.

It is an arithmetic number, because the mean of its divisors is an integer number (5231695068).

Almost surely, 2^55256664154 is an apocalyptic number.

55256664154 is a deficient number, since it is larger than the sum of its proper divisors (28450456934).

55256664154 is a wasteful number, since it uses less digits than its factorization.

55256664154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146709.

The product of its digits is 4320000, while the sum is 49.

The spelling of 55256664154 in words is "fifty-five billion, two hundred fifty-six million, six hundred sixty-four thousand, one hundred fifty-four".