55603324456 has 8 divisors (see below), whose sum is σ = 104256233370. Its totient is φ = 27801662224.

The previous prime is 55603324451. The next prime is 55603324471. The reversal of 55603324456 is 65442330655.

55603324456 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 only one way, i.e., 32459787556 + 23143536900 = 180166^2 + 152130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (55603324451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3475207771 + ... + 3475207786.

Almost surely, 2^55603324456 is an apocalyptic number.

It is an amenable number.

55603324456 is a deficient number, since it is larger than the sum of its proper divisors (48652908914).

55603324456 is a wasteful number, since it uses less digits than its factorization.

55603324456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950415563 (or 6950415559 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 55603324456 in words is "fifty-five billion, six hundred three million, three hundred twenty-four thousand, four hundred fifty-six".