55502541643 has 8 divisors (see below), whose sum is σ = 56239734096. Its totient is φ = 54766980000.

The previous prime is 55502541587. The next prime is 55502541667. The reversal of 55502541643 is 34614520555.

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 55502541643 - 2¹³ = 55502533451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55502541596 and 55502541605.

It is not an unprimeable number, because it can be changed into a prime (55502541673) 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, 339108 + ... + 475393.

It is an arithmetic number, because the mean of its divisors is an integer number (7029966762).

Almost surely, 2^55502541643 is an apocalyptic number.

55502541643 is a deficient number, since it is larger than the sum of its proper divisors (737192453).

55502541643 is an equidigital number, since it uses as much as digits as its factorization.

55502541643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815405.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 55502541643 in words is "fifty-five billion, five hundred two million, five hundred forty-one thousand, six hundred forty-three".