55238863360 has 160 divisors (see below), whose sum is σ = 135423332352. Its totient is φ = 21603778560.

The previous prime is 55238863333. The next prime is 55238863369. The reversal of 55238863360 is 6336883255.

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (55238863369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23082324 + ... + 23084716.

Almost surely, 2^55238863360 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 55238863360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67711666176).

55238863360 is an abundant number, since it is smaller than the sum of its proper divisors (80184468992).

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

55238863360 is a wasteful number, since it uses less digits than its factorization.

55238863360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2598 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 55238863360 in words is "fifty-five billion, two hundred thirty-eight million, eight hundred sixty-three thousand, three hundred sixty".