55554430622560 has 96 divisors (see below), whose sum is σ = 139118996802240. Its totient is φ = 20891850227712.

The previous prime is 55554430622503. The next prime is 55554430622567. The reversal of 55554430622560 is 6522603445555.

It is a junction number, because it is equal to n+sod(n) for n = 55554430622498 and 55554430622507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55554430622567) 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, 8612629 + ... + 13611988.

It is an arithmetic number, because the mean of its divisors is an integer number (1449156216690).

Almost surely, 2^{55554430622560} is an apocalyptic number.

It is an amenable number.

55554430622560 is an abundant number, since it is smaller than the sum of its proper divisors (83564566179680).

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

55554430622560 is a wasteful number, since it uses less digits than its factorization.

55554430622560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22225568 (or 22225560 counting only the distinct ones).

The product of its (nonzero) digits is 21600000, while the sum is 52.

The spelling of 55554430622560 in words is "fifty-five trillion, five hundred fifty-four billion, four hundred thirty million, six hundred twenty-two thousand, five hundred sixty".