55622716480 has 28 divisors (see below), whose sum is σ = 132451594380. Its totient is φ = 22249086464.

The previous prime is 55622716463. The next prime is 55622716481. The reversal of 55622716480 is 8461722655.

55622716480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27161676864 + 28461039616 = 164808^2 + 168704^2 .

It is a super-2 number, since 2×55622716480² (a number of 22 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 55622716480.

It is not an unprimeable number, because it can be changed into a prime (55622716481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86910175 + ... + 86910814.

It is an arithmetic number, because the mean of its divisors is an integer number (4730414085).

Almost surely, 2^55622716480 is an apocalyptic number.

It is an amenable number.

55622716480 is an abundant number, since it is smaller than the sum of its proper divisors (76828877900).

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

55622716480 is a wasteful number, since it uses less digits than its factorization.

55622716480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173821006 (or 173820996 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 55622716480 in words is "fifty-five billion, six hundred twenty-two million, seven hundred sixteen thousand, four hundred eighty".