55646605574 has 16 divisors (see below), whose sum is σ = 95407303200. Its totient is φ = 23845264704.

The previous prime is 55646605571. The next prime is 55646605577. The reversal of 55646605574 is 47550664655.

55646605574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55646605571) and next prime (55646605577).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55646605571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166529 + ... + 372860.

It is an arithmetic number, because the mean of its divisors is an integer number (5962956450).

Almost surely, 2^55646605574 is an apocalyptic number.

55646605574 is a deficient number, since it is larger than the sum of its proper divisors (39760697626).

55646605574 is a wasteful number, since it uses less digits than its factorization.

55646605574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546767.

The product of its (nonzero) digits is 15120000, while the sum is 53.

The spelling of 55646605574 in words is "fifty-five billion, six hundred forty-six million, six hundred five thousand, five hundred seventy-four".