55208502 has 12 divisors (see below), whose sum is σ = 119618460. Its totient is φ = 18402828.

The previous prime is 55208497. The next prime is 55208507. The reversal of 55208502 is 20580255.

55208502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55208497) and next prime (55208507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55208507) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1533552 + ... + 1533587.

It is an arithmetic number, because the mean of its divisors is an integer number (9968205).

Almost surely, 2^55208502 is an apocalyptic number.

55208502 is an abundant number, since it is smaller than the sum of its proper divisors (64409958).

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

55208502 is a wasteful number, since it uses less digits than its factorization.

55208502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067147 (or 3067144 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 55208502 is about 7430.2423917393. The cubic root of 55208502 is about 380.7751996051.

Adding to 55208502 its reverse (20580255), we get a palindrome (75788757).

The spelling of 55208502 in words is "fifty-five million, two hundred eight thousand, five hundred two".