55511510155032 has 64 divisors (see below), whose sum is σ = 153331025518080. Its totient is φ = 16658185482752.

The previous prime is 55511510154959. The next prime is 55511510155061. The reversal of 55511510155032 is 23055101511555.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2957765028 + ... + 2957783795.

It is an arithmetic number, because the mean of its divisors is an integer number (2395797273720).

Almost surely, 2^{55511510155032} is an apocalyptic number.

It is an amenable number.

55511510155032 is an abundant number, since it is smaller than the sum of its proper divisors (97819515363048).

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

55511510155032 is a wasteful number, since it uses less digits than its factorization.

55511510155032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915548872 (or 5915548868 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 39.

Adding to 55511510155032 its reverse (23055101511555), we get a palindrome (78566611666587).

The spelling of 55511510155032 in words is "fifty-five trillion, five hundred eleven billion, five hundred ten million, one hundred fifty-five thousand, thirty-two".