55004604 has 12 divisors (see below), whose sum is σ = 128344104. Its totient is φ = 18334864.

The previous prime is 55004603. The next prime is 55004627. The reversal of 55004604 is 40640055.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×55004604² = 6051012922393632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55004603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2291847 + ... + 2291870.

It is an arithmetic number, because the mean of its divisors is an integer number (10695342).

Almost surely, 2^55004604 is an apocalyptic number.

It is an amenable number.

55004604 is an abundant number, since it is smaller than the sum of its proper divisors (73339500).

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

55004604 is a wasteful number, since it uses less digits than its factorization.

55004604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583724 (or 4583722 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 55004604 is about 7416.5088822168. The cubic root of 55004604 is about 380.3058571698.

Adding to 55004604 its reverse (40640055), we get a palindrome (95644659).

The spelling of 55004604 in words is "fifty-five million, four thousand, six hundred four".