55336662381 has 64 divisors (see below), whose sum is σ = 100459892736. Its totient is φ = 26161228800.

The previous prime is 55336662371. The next prime is 55336662391. The reversal of 55336662381 is 18326663355.

It is an interprime number because it is at equal distance from previous prime (55336662371) and next prime (55336662391).

It is not a de Polignac number, because 55336662381 - 2¹⁴ = 55336645997 is a prime.

It is a super-2 number, since 2×55336662381² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55336662381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55336662341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83445 + ... + 342981.

It is an arithmetic number, because the mean of its divisors is an integer number (1569685824).

Almost surely, 2^55336662381 is an apocalyptic number.

It is an amenable number.

55336662381 is a deficient number, since it is larger than the sum of its proper divisors (45123230355).

55336662381 is a wasteful number, since it uses less digits than its factorization.

55336662381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259642.

The product of its digits is 2332800, while the sum is 48.

It can be divided in two parts, 55336 and 662381, that added together give a palindrome (717717).

The spelling of 55336662381 in words is "fifty-five billion, three hundred thirty-six million, six hundred sixty-two thousand, three hundred eighty-one".