55684200625 has 15 divisors (see below), whose sum is σ = 69590349741. Its totient is φ = 44542641000.

The previous prime is 55684200613. The next prime is 55684200661. The reversal of 55684200625 is 52600248655.

The square root of 55684200625 is 235975.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4365641329 + 51318559296 = 66073^2 + 226536^2 .

It is not a de Polignac number, because 55684200625 - 2¹³ = 55684192433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5894656 + ... + 5904094.

Almost surely, 2^55684200625 is an apocalyptic number.

55684200625 is the 235975-th square number.

55684200625 is the 117988-th centered octagonal number.

It is an amenable number.

55684200625 is a deficient number, since it is larger than the sum of its proper divisors (13906149116).

55684200625 is an frugal number, since it uses more digits than its factorization.

55684200625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18898 (or 9444 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 55684200625 in words is "fifty-five billion, six hundred eighty-four million, two hundred thousand, six hundred twenty-five".