55131333024 has 48 divisors (see below), whose sum is σ = 146463381792. Its totient is φ = 18155697408.

The previous prime is 55131332981. The next prime is 55131333077. The reversal of 55131333024 is 42033313155.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 55131332982 and 55131333000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3451579 + ... + 3467514.

It is an arithmetic number, because the mean of its divisors is an integer number (3051320454).

Almost surely, 2^55131333024 is an apocalyptic number.

It is an amenable number.

55131333024 is an abundant number, since it is smaller than the sum of its proper divisors (91332048768).

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

55131333024 is a wasteful number, since it uses less digits than its factorization.

55131333024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6919189 (or 6919181 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 55131333024 its reverse (42033313155), we get a palindrome (97164646179).

The spelling of 55131333024 in words is "fifty-five billion, one hundred thirty-one million, three hundred thirty-three thousand, twenty-four".