56554701999 has 8 divisors (see below), whose sum is σ = 75484252800. Its totient is φ = 37664142936.

The previous prime is 56554701971. The next prime is 56554702003. The reversal of 56554701999 is 99910745565.

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

It is not a de Polignac number, because 56554701999 - 2¹¹ = 56554699951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56554701919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9744549 + ... + 9750350.

It is an arithmetic number, because the mean of its divisors is an integer number (9435531600).

Almost surely, 2^56554701999 is an apocalyptic number.

56554701999 is a deficient number, since it is larger than the sum of its proper divisors (18929550801).

56554701999 is a wasteful number, since it uses less digits than its factorization.

56554701999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19495869.

The product of its (nonzero) digits is 15309000, while the sum is 60.

The spelling of 56554701999 in words is "fifty-six billion, five hundred fifty-four million, seven hundred one thousand, nine hundred ninety-nine".