55444314012 has 24 divisors (see below), whose sum is σ = 136980070416. Its totient is φ = 17394294528.

The previous prime is 55444313983. The next prime is 55444314017. The reversal of 55444314012 is 21041344455.

It is a happy number.

It is a super-2 number, since 2×55444314012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55444314017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135892723 + ... + 135893130.

It is an arithmetic number, because the mean of its divisors is an integer number (5707502934).

Almost surely, 2^55444314012 is an apocalyptic number.

It is an amenable number.

55444314012 is an abundant number, since it is smaller than the sum of its proper divisors (81535756404).

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

55444314012 is a wasteful number, since it uses less digits than its factorization.

55444314012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271785877 (or 271785875 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 55444314012 its reverse (21041344455), we get a palindrome (76485658467).

The spelling of 55444314012 in words is "fifty-five billion, four hundred forty-four million, three hundred fourteen thousand, twelve".