55985824715 has 8 divisors (see below), whose sum is σ = 67259079888. Its totient is φ = 44737932960.

The previous prime is 55985824711. The next prime is 55985824717. The reversal of 55985824715 is 51742858955.

It is a happy number.

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

It is not a de Polignac number, because 55985824715 - 2² = 55985824711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55985824711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6335996 + ... + 6344825.

It is an arithmetic number, because the mean of its divisors is an integer number (8407384986).

Almost surely, 2^55985824715 is an apocalyptic number.

55985824715 is a deficient number, since it is larger than the sum of its proper divisors (11273255173).

55985824715 is a wasteful number, since it uses less digits than its factorization.

55985824715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681709.

The product of its digits is 20160000, while the sum is 59.

The spelling of 55985824715 in words is "fifty-five billion, nine hundred eighty-five million, eight hundred twenty-four thousand, seven hundred fifteen".