55005004 has 24 divisors (see below), whose sum is σ = 97897968. Its totient is φ = 27038400.

The previous prime is 55004969. The next prime is 55005011. The reversal of 55005004 is 40050055.

It is a happy number.

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, 69499 + ... + 70285.

It is an arithmetic number, because the mean of its divisors is an integer number (4079082).

Almost surely, 2^55005004 is an apocalyptic number.

It is an amenable number.

55005004 is a deficient number, since it is larger than the sum of its proper divisors (42892964).

55005004 is a wasteful number, since it uses less digits than its factorization.

55005004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 55005004 is about 7416.5358490336. The cubic root of 55005004 is about 380.3067790440.

Adding to 55005004 its reverse (40050055), we get a palindrome (95055059).

The spelling of 55005004 in words is "fifty-five million, five thousand, four".