55325604 has 24 divisors (see below), whose sum is σ = 130546080. Its totient is φ = 18234304.

The previous prime is 55325593. The next prime is 55325629. The reversal of 55325604 is 40652355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24834 + ... + 26969.

It is an arithmetic number, because the mean of its divisors is an integer number (5439420).

Almost surely, 2^55325604 is an apocalyptic number.

It is an amenable number.

55325604 is an abundant number, since it is smaller than the sum of its proper divisors (75220476).

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

55325604 is a wasteful number, since it uses less digits than its factorization.

55325604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51899 (or 51897 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55325604 is about 7438.1183104331. The cubic root of 55325604 is about 381.0442285095.

Adding to 55325604 its reverse (40652355), we get a palindrome (95977959).

The spelling of 55325604 in words is "fifty-five million, three hundred twenty-five thousand, six hundred four".