55032804 has 24 divisors (see below), whose sum is σ = 142677920. Its totient is φ = 18344232.

The previous prime is 55032799. The next prime is 55032811. The reversal of 55032804 is 40823055.

55032804 is a `hidden beast` number, since 550 + 32 + 80 + 4 = 666.

It is a super-2 number, since 2×55032804² = 6057219032204832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 254674 + ... + 254889.

Almost surely, 2^55032804 is an apocalyptic number.

55032804 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55032804 is an abundant number, since it is smaller than the sum of its proper divisors (87645116).

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

55032804 is a wasteful number, since it uses less digits than its factorization.

55032804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509576 (or 509568 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 55032804 is about 7418.4098026464. The cubic root of 55032804 is about 380.3708383540.

Adding to 55032804 its reverse (40823055), we get a palindrome (95855859).

The spelling of 55032804 in words is "fifty-five million, thirty-two thousand, eight hundred four".