55982850069 has 4 divisors (see below), whose sum is σ = 74643800096. Its totient is φ = 37321900044.

The previous prime is 55982850041. The next prime is 55982850071. The reversal of 55982850069 is 96005828955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55982850069 - 2⁹ = 55982849557 is a prime.

It is a super-2 number, since 2×55982850069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55982850169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9330475009 + ... + 9330475014.

It is an arithmetic number, because the mean of its divisors is an integer number (18660950024).

Almost surely, 2^55982850069 is an apocalyptic number.

It is an amenable number.

55982850069 is a deficient number, since it is larger than the sum of its proper divisors (18660950027).

55982850069 is a wasteful number, since it uses less digits than its factorization.

55982850069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18660950026.

The product of its (nonzero) digits is 7776000, while the sum is 57.

It can be divided in two parts, 559 and 82850069, that added together give a triangular number (82850628 = T₁₂₈₇₂).

The spelling of 55982850069 in words is "fifty-five billion, nine hundred eighty-two million, eight hundred fifty thousand, sixty-nine".