55135031530 has 8 divisors (see below), whose sum is σ = 99243056772. Its totient is φ = 22054012608.

The previous prime is 55135031527. The next prime is 55135031563. The reversal of 55135031530 is 3513053155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52448786289 + 2686245241 = 229017^2 + 51829^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 55135031492 and 55135031501.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2756751567 + ... + 2756751586.

Almost surely, 2^55135031530 is an apocalyptic number.

55135031530 is a deficient number, since it is larger than the sum of its proper divisors (44108025242).

55135031530 is a wasteful number, since it uses less digits than its factorization.

55135031530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513503160.

The product of its (nonzero) digits is 16875, while the sum is 31.

Adding to 55135031530 its reverse (3513053155), we get a palindrome (58648084685).

The spelling of 55135031530 in words is "fifty-five billion, one hundred thirty-five million, thirty-one thousand, five hundred thirty".