55730325 has 96 divisors (see below), whose sum is σ = 114595840. Its totient is φ = 23328000.

The previous prime is 55730309. The next prime is 55730327. The reversal of 55730325 is 52303755.

It is not a de Polignac number, because 55730325 - 2⁴ = 55730309 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55730292 and 55730301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55730327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 369000 + ... + 369150.

Almost surely, 2^55730325 is an apocalyptic number.

It is an amenable number.

55730325 is an abundant number, since it is smaller than the sum of its proper divisors (58865515).

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

55730325 is a wasteful number, since it uses less digits than its factorization.

55730325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 55730325 is about 7465.2746098184. The cubic root of 55730325 is about 381.9711174859.

The spelling of 55730325 in words is "fifty-five million, seven hundred thirty thousand, three hundred twenty-five".