55572204 has 12 divisors (see below), whose sum is σ = 129668504. Its totient is φ = 18524064.

The previous prime is 55572203. The next prime is 55572217. The reversal of 55572204 is 40227555.

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

It is not an unprimeable number, because it can be changed into a prime (55572203) 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, 2315497 + ... + 2315520.

Almost surely, 2^55572204 is an apocalyptic number.

It is an amenable number.

55572204 is an abundant number, since it is smaller than the sum of its proper divisors (74096300).

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

55572204 is a wasteful number, since it uses less digits than its factorization.

55572204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631024 (or 4631022 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 55572204 is about 7454.6766529475. The cubic root of 55572204 is about 381.6095258006.

Adding to 55572204 its reverse (40227555), we get a palindrome (95799759).

The spelling of 55572204 in words is "fifty-five million, five hundred seventy-two thousand, two hundred four".