55827421650625 has 75 divisors (see below), whose sum is σ = 72319879187765. Its totient is φ = 43082254650000.

The previous prime is 55827421650613. The next prime is 55827421650661. The reversal of 55827421650625 is 52605612472855.

The square root of 55827421650625 is 7471775.

It is a perfect power (a square), and thus also a powerful number.

55827421650625 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 4376869857409 + 51450551793216 = 2092097^2 + 7172904^2 .

It is not a de Polignac number, because 55827421650625 - 2¹¹ = 55827421648577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55827421650625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 179509394220 + ... + 179509394530.

Almost surely, 2^{55827421650625} is an apocalyptic number.

55827421650625 is the 7471775-th square number.

55827421650625 is the 3735888-th centered octagonal number.

It is an amenable number.

55827421650625 is a deficient number, since it is larger than the sum of its proper divisors (16492457537140).

55827421650625 is an frugal number, since it uses more digits than its factorization.

55827421650625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 40320000, while the sum is 58.

The spelling of 55827421650625 in words is "fifty-five trillion, eight hundred twenty-seven billion, four hundred twenty-one million, six hundred fifty thousand, six hundred twenty-five".