55263423986 has 16 divisors (see below), whose sum is σ = 83696112864. Its totient is φ = 27364881984.

The previous prime is 55263423983. The next prime is 55263424043. The reversal of 55263423986 is 68932436255.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55263423983) 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, 672266 + ... + 749978.

It is an arithmetic number, because the mean of its divisors is an integer number (5231007054).

Almost surely, 2^55263423986 is an apocalyptic number.

55263423986 is a deficient number, since it is larger than the sum of its proper divisors (28432688878).

55263423986 is a wasteful number, since it uses less digits than its factorization.

55263423986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81145.

The product of its digits is 9331200, while the sum is 53.

The spelling of 55263423986 in words is "fifty-five billion, two hundred sixty-three million, four hundred twenty-three thousand, nine hundred eighty-six".