55241505616 has 160 divisors (see below), whose sum is σ = 132677222400. Its totient is φ = 21968432640.

The previous prime is 55241505563. The next prime is 55241505617. The reversal of 55241505616 is 61650514255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55241505617) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2218065 + ... + 2242831.

It is an arithmetic number, because the mean of its divisors is an integer number (829232640).

Almost surely, 2^55241505616 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 55241505616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66338611200).

55241505616 is an abundant number, since it is smaller than the sum of its proper divisors (77435716784).

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

55241505616 is a wasteful number, since it uses less digits than its factorization.

55241505616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24857 (or 24851 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 55241505616 in words is "fifty-five billion, two hundred forty-one million, five hundred five thousand, six hundred sixteen".