55113403531330 has 32 divisors (see below), whose sum is σ = 99474900307200. Its totient is φ = 21985199978112.

The previous prime is 55113403531321. The next prime is 55113403531339. The reversal of 55113403531330 is 3313530431155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55113403531321) and next prime (55113403531339).

It is a super-2 number, since 2×55113403531330² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55113403531330.

It is not an unprimeable number, because it can be changed into a prime (55113403531339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41487094 + ... + 42794926.

It is an arithmetic number, because the mean of its divisors is an integer number (3108590634600).

Almost surely, 2^{55113403531330} is an apocalyptic number.

55113403531330 is a deficient number, since it is larger than the sum of its proper divisors (44361496775870).

55113403531330 is a wasteful number, since it uses less digits than its factorization.

55113403531330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319338.

The product of its (nonzero) digits is 121500, while the sum is 37.

Adding to 55113403531330 its reverse (3313530431155), we get a palindrome (58426933962485).

The spelling of 55113403531330 in words is "fifty-five trillion, one hundred thirteen billion, four hundred three million, five hundred thirty-one thousand, three hundred thirty".