55012604 has 12 divisors (see below), whose sum is σ = 96326664. Its totient is φ = 27490704.

The previous prime is 55012589. The next prime is 55012613. The reversal of 55012604 is 40621055.

It is a self number, because there is not a number n which added to its sum of digits gives 55012604.

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, 8219 + ... + 13325.

It is an arithmetic number, because the mean of its divisors is an integer number (8027222).

Almost surely, 2^55012604 is an apocalyptic number.

It is an amenable number.

55012604 is a deficient number, since it is larger than the sum of its proper divisors (41314060).

55012604 is a wasteful number, since it uses less digits than its factorization.

55012604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804 (or 7802 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55012604 is about 7417.0481999243. The cubic root of 55012604 is about 380.3242938045.

Adding to 55012604 its reverse (40621055), we get a palindrome (95633659).

The spelling of 55012604 in words is "fifty-five million, twelve thousand, six hundred four".