55342361544 has 128 divisors (see below), whose sum is σ = 147619584000. Its totient is φ = 17229455360.

The previous prime is 55342361531. The next prime is 55342361593. The reversal of 55342361544 is 44516324355.

55342361544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55342361496 and 55342361505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52756732 + ... + 52757780.

It is an arithmetic number, because the mean of its divisors is an integer number (1153278000).

Almost surely, 2^55342361544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55342361544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73809792000).

55342361544 is an abundant number, since it is smaller than the sum of its proper divisors (92277222456).

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

55342361544 is a wasteful number, since it uses less digits than its factorization.

55342361544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1939 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

Adding to 55342361544 its reverse (44516324355), we get a palindrome (99858685899).

The spelling of 55342361544 in words is "fifty-five billion, three hundred forty-two million, three hundred sixty-one thousand, five hundred forty-four".