55011125344 has 48 divisors (see below), whose sum is σ = 123807985056. Its totient is φ = 23569920000.

The previous prime is 55011125339. The next prime is 55011125359. The reversal of 55011125344 is 44352111055.

It is a super-2 number, since 2×55011125344² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 865534 + ... + 926914.

It is an arithmetic number, because the mean of its divisors is an integer number (2579333022).

Almost surely, 2^55011125344 is an apocalyptic number.

It is an amenable number.

55011125344 is an abundant number, since it is smaller than the sum of its proper divisors (68796859712).

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

55011125344 is a wasteful number, since it uses less digits than its factorization.

55011125344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65399 (or 65391 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 55011125344 its reverse (44352111055), we get a palindrome (99363236399).

The spelling of 55011125344 in words is "fifty-five billion, eleven million, one hundred twenty-five thousand, three hundred forty-four".