55700453361721 has 8 divisors (see below), whose sum is σ = 63663518959040. Its totient is φ = 47738852257968.

The previous prime is 55700453361661. The next prime is 55700453361767. The reversal of 55700453361721 is 12716335400755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55700453361721 - 2²¹ = 55700451264569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55700453361781) 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, 366041886 + ... + 366194023.

It is an arithmetic number, because the mean of its divisors is an integer number (7957939869880).

Almost surely, 2^{55700453361721} is an apocalyptic number.

It is an amenable number.

55700453361721 is a deficient number, since it is larger than the sum of its proper divisors (7963065597319).

55700453361721 is a wasteful number, since it uses less digits than its factorization.

55700453361721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732246783.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 55700453361721 in words is "fifty-five trillion, seven hundred billion, four hundred fifty-three million, three hundred sixty-one thousand, seven hundred twenty-one".