55234155444 has 48 divisors (see below), whose sum is σ = 142544709888. Its totient is φ = 16535795328.

The previous prime is 55234155373. The next prime is 55234155469. The reversal of 55234155444 is 44455143255.

It is a super-2 number, since 2×55234155444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55234155396 and 55234155405.

It is a congruent number.

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, 4778892 + ... + 4790435.

It is an arithmetic number, because the mean of its divisors is an integer number (2969681456).

Almost surely, 2^55234155444 is an apocalyptic number.

It is an amenable number.

55234155444 is an abundant number, since it is smaller than the sum of its proper divisors (87310554444).

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

55234155444 is a wasteful number, since it uses less digits than its factorization.

55234155444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569384 (or 9569382 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

Adding to 55234155444 its reverse (44455143255), we get a palindrome (99689298699).

The spelling of 55234155444 in words is "fifty-five billion, two hundred thirty-four million, one hundred fifty-five thousand, four hundred forty-four".