55030504 has 8 divisors (see below), whose sum is σ = 103182210. Its totient is φ = 27515248.

The previous prime is 55030501. The next prime is 55030523. The reversal of 55030504 is 40503055.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49028004 + 6002500 = 7002^2 + 2450^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55030501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439399 + ... + 3439414.

Almost surely, 2^55030504 is an apocalyptic number.

It is an amenable number.

55030504 is a deficient number, since it is larger than the sum of its proper divisors (48151706).

55030504 is a wasteful number, since it uses less digits than its factorization.

55030504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878819 (or 6878815 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 55030504 is about 7418.2547812811. The cubic root of 55030504 is about 380.3655393018.

Adding to 55030504 its reverse (40503055), we get a palindrome (95533559).

The spelling of 55030504 in words is "fifty-five million, thirty thousand, five hundred four".