55011004 has 12 divisors (see below), whose sum is σ = 101336200. Its totient is φ = 26057808.

The previous prime is 55010993. The next prime is 55011017. The reversal of 55011004 is 40011055.

It is a happy number.

It is a super-2 number, since 2×55011004² = 6052421122176032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361839 + ... + 361990.

Almost surely, 2^55011004 is an apocalyptic number.

It is an amenable number.

55011004 is a deficient number, since it is larger than the sum of its proper divisors (46325196).

55011004 is a wasteful number, since it uses less digits than its factorization.

55011004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723852 (or 723850 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 55011004 is about 7416.9403395201. The cubic root of 55011004 is about 380.3206066206.

Adding to 55011004 its reverse (40011055), we get a palindrome (95022059).

The spelling of 55011004 in words is "fifty-five million, eleven thousand, four".