55135031532 has 48 divisors (see below), whose sum is σ = 153419223552. Its totient is φ = 15067958400.

The previous prime is 55135031527. The next prime is 55135031563. The reversal of 55135031532 is 23513053155.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55135031493 and 55135031502.

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 15 ways as a sum of consecutive naturals, for example, 14266969 + ... + 14270832.

It is an arithmetic number, because the mean of its divisors is an integer number (3196233824).

Almost surely, 2^55135031532 is an apocalyptic number.

It is an amenable number.

55135031532 is an abundant number, since it is smaller than the sum of its proper divisors (98284192020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55135031532 is a wasteful number, since it uses less digits than its factorization.

55135031532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28537838 (or 28537836 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 33.

Adding to 55135031532 its reverse (23513053155), we get a palindrome (78648084687).

The spelling of 55135031532 in words is "fifty-five billion, one hundred thirty-five million, thirty-one thousand, five hundred thirty-two".