55154450344 has 32 divisors (see below), whose sum is σ = 125140351680. Its totient is φ = 22247172864.

The previous prime is 55154450341. The next prime is 55154450399. The reversal of 55154450344 is 44305445155.

It is a junction number, because it is equal to n+sod(n) for n = 55154450297 and 55154450306.

It is not an unprimeable number, because it can be changed into a prime (55154450341) 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, 28966722 + ... + 28968625.

It is an arithmetic number, because the mean of its divisors is an integer number (3910635990).

Almost surely, 2^55154450344 is an apocalyptic number.

It is an amenable number.

55154450344 is an abundant number, since it is smaller than the sum of its proper divisors (69985901336).

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

55154450344 is a wasteful number, since it uses less digits than its factorization.

55154450344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57935377 (or 57935373 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 55154450344 its reverse (44305445155), we get a palindrome (99459895499).

The spelling of 55154450344 in words is "fifty-five billion, one hundred fifty-four million, four hundred fifty thousand, three hundred forty-four".