55574647555 has 32 divisors (see below), whose sum is σ = 81483577344. Its totient is φ = 35518404096.

The previous prime is 55574647511. The next prime is 55574647573.

55574647555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55574647555 - 2⁹ = 55574647043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55574647555.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392127 + ... + 514696.

It is an arithmetic number, because the mean of its divisors is an integer number (2546361792).

Almost surely, 2^55574647555 is an apocalyptic number.

55574647555 is a deficient number, since it is larger than the sum of its proper divisors (25908929789).

55574647555 is a wasteful number, since it uses less digits than its factorization.

55574647555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906955.

The product of its digits is 73500000, while the sum is 58.

The spelling of 55574647555 in words is "fifty-five billion, five hundred seventy-four million, six hundred forty-seven thousand, five hundred fifty-five".