55640541662 has 32 divisors (see below), whose sum is σ = 86395667904. Its totient is φ = 26857062400.

The previous prime is 55640541661. The next prime is 55640541679. The reversal of 55640541662 is 26614504655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55640541661) 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, 5990462 + ... + 5999742.

It is an arithmetic number, because the mean of its divisors is an integer number (2699864622).

Almost surely, 2^55640541662 is an apocalyptic number.

55640541662 is a deficient number, since it is larger than the sum of its proper divisors (30755126242).

55640541662 is a wasteful number, since it uses less digits than its factorization.

55640541662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 55640541662 in words is "fifty-five billion, six hundred forty million, five hundred forty-one thousand, six hundred sixty-two".