55072231026727 has 4 divisors (see below), whose sum is σ = 57466675854000. Its totient is φ = 52677786199456.

The previous prime is 55072231026677. The next prime is 55072231026797. The reversal of 55072231026727 is 72762013227055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55072231026727 - 2⁷ = 55072231026599 is a prime.

It is a super-2 number, since 2×55072231026727² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55072231026797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197222413602 + ... + 1197222413647.

It is an arithmetic number, because the mean of its divisors is an integer number (14366668963500).

Almost surely, 2^{55072231026727} is an apocalyptic number.

55072231026727 is a deficient number, since it is larger than the sum of its proper divisors (2394444827273).

55072231026727 is a wasteful number, since it uses less digits than its factorization.

55072231026727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394444827272.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 55072231026727 in words is "fifty-five trillion, seventy-two billion, two hundred thirty-one million, twenty-six thousand, seven hundred twenty-seven".