55652212 has 48 divisors (see below), whose sum is σ = 122693760. Its totient is φ = 21456000.

The previous prime is 55652209. The next prime is 55652213. The reversal of 55652212 is 21225655.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 30214 + ... + 32002.

It is an arithmetic number, because the mean of its divisors is an integer number (2556120).

Almost surely, 2^55652212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55652212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61346880).

55652212 is an abundant number, since it is smaller than the sum of its proper divisors (67041548).

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

55652212 is a wasteful number, since it uses less digits than its factorization.

55652212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1910 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 55652212 is about 7460.0410186540. The cubic root of 55652212 is about 381.7925739920.

Adding to 55652212 its reverse (21225655), we get a palindrome (76877867).

It can be divided in two parts, 5565 and 2212, that added together give a palindrome (7777).

The spelling of 55652212 in words is "fifty-five million, six hundred fifty-two thousand, two hundred twelve".