55574047555 has 32 divisors (see below), whose sum is σ = 73248235200. Its totient is φ = 40224038400.

The previous prime is 55574047553. The next prime is 55574047577.

It is a happy number.

55574047555 is nontrivially palindromic in base 10.

55574047555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55574047555 - 2¹ = 55574047553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55574047553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3613021 + ... + 3628369.

It is an arithmetic number, because the mean of its divisors is an integer number (2289007350).

Almost surely, 2^55574047555 is an apocalyptic number.

55574047555 is a deficient number, since it is larger than the sum of its proper divisors (17674187645).

55574047555 is a wasteful number, since it uses less digits than its factorization.

55574047555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16471.

The product of its (nonzero) digits is 12250000, while the sum is 52.

The spelling of 55574047555 in words is "fifty-five billion, five hundred seventy-four million, forty-seven thousand, five hundred fifty-five".