55152843497472 has 896 divisors, whose sum is σ = 185088496919040. Its totient is φ = 14242598092800.

The previous prime is 55152843497467. The next prime is 55152843497491. The reversal of 55152843497472 is 27479434825155.

It is a tau number, because it is divible by the number of its divisors (896).

It is a super-2 number, since 2×55152843497472² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16707918222 + ... + 16707921522.

Almost surely, 2^{55152843497472} 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 55152843497472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92544248459520).

55152843497472 is an abundant number, since it is smaller than the sum of its proper divisors (129935653421568).

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

55152843497472 is a wasteful number, since it uses less digits than its factorization.

55152843497472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580 (or 3556 counting only the distinct ones).

The product of its digits is 338688000, while the sum is 66.

The spelling of 55152843497472 in words is "fifty-five trillion, one hundred fifty-two billion, eight hundred forty-three million, four hundred ninety-seven thousand, four hundred seventy-two".