55321141552645 has 8 divisors (see below), whose sum is σ = 66390686296704. Its totient is φ = 44253368953104.

The previous prime is 55321141552601. The next prime is 55321141552687. The reversal of 55321141552645 is 54625514112355.

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 55321141552645 - 2¹³ = 55321141544453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442967449 + ... + 443092318.

It is an arithmetic number, because the mean of its divisors is an integer number (8298835787088).

Almost surely, 2^{55321141552645} is an apocalyptic number.

It is an amenable number.

55321141552645 is a deficient number, since it is larger than the sum of its proper divisors (11069544744059).

55321141552645 is a wasteful number, since it uses less digits than its factorization.

55321141552645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886072259.

The product of its digits is 3600000, while the sum is 49.

The spelling of 55321141552645 in words is "fifty-five trillion, three hundred twenty-one billion, one hundred forty-one million, five hundred fifty-two thousand, six hundred forty-five".