55316500544 has 56 divisors (see below), whose sum is σ = 113814148800. Its totient is φ = 26643294720.

The previous prime is 55316500541. The next prime is 55316500567. The reversal of 55316500544 is 44500561355.

It is a junction number, because it is equal to n+sod(n) for n = 55316500498 and 55316500507.

It is not an unprimeable number, because it can be changed into a prime (55316500541) 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, 780839 + ... + 848729.

Almost surely, 2^55316500544 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 55316500544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56907074400).

55316500544 is an abundant number, since it is smaller than the sum of its proper divisors (58497648256).

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

55316500544 is a wasteful number, since it uses less digits than its factorization.

55316500544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68371 (or 68361 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 55316500544 in words is "fifty-five billion, three hundred sixteen million, five hundred thousand, five hundred forty-four".