55310504 has 8 divisors (see below), whose sum is σ = 103707210. Its totient is φ = 27655248.

The previous prime is 55310483. The next prime is 55310509. The reversal of 55310504 is 40501355.

It can be written as a sum of positive squares in only one way, i.e., 47637604 + 7672900 = 6902^2 + 2770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 55310504.

It is not an unprimeable number, because it can be changed into a prime (55310509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3456899 + ... + 3456914.

Almost surely, 2^55310504 is an apocalyptic number.

It is an amenable number.

55310504 is a deficient number, since it is larger than the sum of its proper divisors (48396706).

55310504 is a wasteful number, since it uses less digits than its factorization.

55310504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913819 (or 6913815 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55310504 is about 7437.1031994991. The cubic root of 55310504 is about 381.0095592608.

Adding to 55310504 its reverse (40501355), we get a palindrome (95811859).

The spelling of 55310504 in words is "fifty-five million, three hundred ten thousand, five hundred four".