55121151332 has 24 divisors (see below), whose sum is σ = 109349654400. Its totient is φ = 24101555616.

The previous prime is 55121151307. The next prime is 55121151383. The reversal of 55121151332 is 23315112155.

It is a junction number, because it is equal to n+sod(n) for n = 55121151295 and 55121151304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27894332 + ... + 27896307.

It is an arithmetic number, because the mean of its divisors is an integer number (4556235600).

Almost surely, 2^55121151332 is an apocalyptic number.

55121151332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55121151332 is a deficient number, since it is larger than the sum of its proper divisors (54228503068).

55121151332 is a wasteful number, since it uses less digits than its factorization.

55121151332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55790675 (or 55790673 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

Adding to 55121151332 its reverse (23315112155), we get a palindrome (78436263487).

The spelling of 55121151332 in words is "fifty-five billion, one hundred twenty-one million, one hundred fifty-one thousand, three hundred thirty-two".