55000624 has 40 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 23504448.

The previous prime is 55000607. The next prime is 55000633. The reversal of 55000624 is 42600055.

55000624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55000595 and 55000604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76137 + ... + 76855.

It is an arithmetic number, because the mean of its divisors is an integer number (3053376).

Almost surely, 2^55000624 is an apocalyptic number.

It is an amenable number.

55000624 is an abundant number, since it is smaller than the sum of its proper divisors (67134416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55000624 is a wasteful number, since it uses less digits than its factorization.

55000624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 55000624 is about 7416.2405570478. The cubic root of 55000624 is about 380.2966842782.

Adding to 55000624 its reverse (42600055), we get a palindrome (97600679).

The spelling of 55000624 in words is "fifty-five million, six hundred twenty-four", and thus it is an aban number.