55686724413231 has 8 divisors (see below), whose sum is σ = 76255694692144. Its totient is φ = 36121118538240.

The previous prime is 55686724413217. The next prime is 55686724413241. The reversal of 55686724413231 is 13231442768655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55686724413231 - 2⁹ = 55686724412719 is a prime.

It is a super-2 number, since 2×55686724413231² (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 (55686724413241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250841100850 + ... + 250841101071.

It is an arithmetic number, because the mean of its divisors is an integer number (9531961836518).

Almost surely, 2^{55686724413231} is an apocalyptic number.

55686724413231 is a deficient number, since it is larger than the sum of its proper divisors (20568970278913).

55686724413231 is a wasteful number, since it uses less digits than its factorization.

55686724413231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501682201961.

The product of its digits is 29030400, while the sum is 57.

The spelling of 55686724413231 in words is "fifty-five trillion, six hundred eighty-six billion, seven hundred twenty-four million, four hundred thirteen thousand, two hundred thirty-one".