55327640320506 has 16 divisors (see below), whose sum is σ = 110658548781504. Its totient is φ = 18442002083424.

The previous prime is 55327640320487. The next prime is 55327640320517. The reversal of 55327640320506 is 60502304672355.

It is a super-2 number, since 2×55327640320506² (a number of 28 digits) contains 22 as substring.

It is a Curzon 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, 135952411 + ... + 136358766.

It is an arithmetic number, because the mean of its divisors is an integer number (6916159298844).

Almost surely, 2^{55327640320506} is an apocalyptic number.

55327640320506 is an abundant number, since it is smaller than the sum of its proper divisors (55330908460998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55327640320506 is a wasteful number, since it uses less digits than its factorization.

55327640320506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272345045.

The product of its (nonzero) digits is 4536000, while the sum is 48.

The spelling of 55327640320506 in words is "fifty-five trillion, three hundred twenty-seven billion, six hundred forty million, three hundred twenty thousand, five hundred six".