555553722054448 has 160 divisors (see below), whose sum is σ = 1201775845423104. Its totient is φ = 247060800000000.

The previous prime is 555553722054413. The next prime is 555553722054577. The reversal of 555553722054448 is 844450227355555.

It is a super-2 number, since 2×555553722054448² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 555553722054448.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4614135048 + ... + 4614255448.

Almost surely, 2^{555553722054448} 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 555553722054448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600887922711552).

555553722054448 is an abundant number, since it is smaller than the sum of its proper divisors (646222123368656).

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

555553722054448 is a wasteful number, since it uses less digits than its factorization.

555553722054448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123555 (or 123549 counting only the distinct ones).

The product of its (nonzero) digits is 672000000, while the sum is 64.

The spelling of 555553722054448 in words is "five hundred fifty-five trillion, five hundred fifty-three billion, seven hundred twenty-two million, fifty-four thousand, four hundred forty-eight".