55652210 has 16 divisors (see below), whose sum is σ = 101670336. Its totient is φ = 21928368.

The previous prime is 55652209. The next prime is 55652213. The reversal of 55652210 is 1225655.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55652210.

It is not an unprimeable number, because it can be changed into a prime (55652213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40862 + ... + 42201.

It is an arithmetic number, because the mean of its divisors is an integer number (6354396).

Almost surely, 2^55652210 is an apocalyptic number.

55652210 is a deficient number, since it is larger than the sum of its proper divisors (46018126).

55652210 is a wasteful number, since it uses less digits than its factorization.

55652210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83137.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 55652210 is about 7460.0408846065. The cubic root of 55652210 is about 381.7925694185.

Adding to 55652210 its reverse (1225655), we get a palindrome (56877865).

The spelling of 55652210 in words is "fifty-five million, six hundred fifty-two thousand, two hundred ten".