55020642535651 has 8 divisors (see below), whose sum is σ = 59289734332080. Its totient is φ = 50756798550432.

The previous prime is 55020642535643. The next prime is 55020642535751. The reversal of 55020642535651 is 15653524602055.

55020642535651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55020642535651 - 2³ = 55020642535643 is a prime.

It is a super-2 number, since 2×55020642535651² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55020642535595 and 55020642535604.

It is not an unprimeable number, because it can be changed into a prime (55020642535351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311931021 + ... + 1311972958.

It is an arithmetic number, because the mean of its divisors is an integer number (7411216791510).

Almost surely, 2^{55020642535651} is an apocalyptic number.

55020642535651 is a deficient number, since it is larger than the sum of its proper divisors (4269091796429).

55020642535651 is a wasteful number, since it uses less digits than its factorization.

55020642535651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623905605.

The product of its (nonzero) digits is 5400000, while the sum is 49.

The spelling of 55020642535651 in words is "fifty-five trillion, twenty billion, six hundred forty-two million, five hundred thirty-five thousand, six hundred fifty-one".