55542060646 has 32 divisors (see below), whose sum is σ = 94294404288. Its totient is φ = 24391234560.

The previous prime is 55542060643. The next prime is 55542060667. The reversal of 55542060646 is 64606024555.

It is a happy number.

55542060646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55542060643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834105 + ... + 898228.

It is an arithmetic number, because the mean of its divisors is an integer number (2946700134).

Almost surely, 2^55542060646 is an apocalyptic number.

55542060646 is a deficient number, since it is larger than the sum of its proper divisors (38752343642).

55542060646 is a wasteful number, since it uses less digits than its factorization.

55542060646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732416.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 55542060646 in words is "fifty-five billion, five hundred forty-two million, sixty thousand, six hundred forty-six".