55279232311 has 4 divisors (see below), whose sum is σ = 55308685032. Its totient is φ = 55249779592.

The previous prime is 55279232287. The next prime is 55279232317. The reversal of 55279232311 is 11323297255.

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 55279232311 - 2⁵ = 55279232279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55279232317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14723545 + ... + 14727298.

It is an arithmetic number, because the mean of its divisors is an integer number (13827171258).

Almost surely, 2^55279232311 is an apocalyptic number.

55279232311 is a deficient number, since it is larger than the sum of its proper divisors (29452721).

55279232311 is a wasteful number, since it uses less digits than its factorization.

55279232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29452720.

The product of its digits is 113400, while the sum is 40.

The spelling of 55279232311 in words is "fifty-five billion, two hundred seventy-nine million, two hundred thirty-two thousand, three hundred eleven".