55230825 has 48 divisors (see below), whose sum is σ = 101062976. Its totient is φ = 26438400.

The previous prime is 55230821. The next prime is 55230827. The reversal of 55230825 is 52803255.

It is not a de Polignac number, because 55230825 - 2² = 55230821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55230792 and 55230801.

It is not an unprimeable number, because it can be changed into a prime (55230821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35310 + ... + 36840.

Almost surely, 2^55230825 is an apocalyptic number.

It is an amenable number.

55230825 is a deficient number, since it is larger than the sum of its proper divisors (45832151).

55230825 is a wasteful number, since it uses less digits than its factorization.

55230825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 55230825 is about 7431.7444116439. The cubic root of 55230825 is about 380.8265135579.

The spelling of 55230825 in words is "fifty-five million, two hundred thirty thousand, eight hundred twenty-five".