55666347354 has 48 divisors (see below), whose sum is σ = 122581035720. Its totient is φ = 18254620800.

The previous prime is 55666347329. The next prime is 55666347361. The reversal of 55666347354 is 45374366655.

It can be written as a sum of positive squares in 4 ways, for example, as 48706283025 + 6960064329 = 220695^2 + 83427^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55666347354.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187912 + ... + 382940.

Almost surely, 2^55666347354 is an apocalyptic number.

55666347354 is an abundant number, since it is smaller than the sum of its proper divisors (66914688366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55666347354 is a wasteful number, since it uses less digits than its factorization.

55666347354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195295 (or 195292 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 54.

The spelling of 55666347354 in words is "fifty-five billion, six hundred sixty-six million, three hundred forty-seven thousand, three hundred fifty-four".