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55211343332 = 2213802835833
BaseRepresentation
bin110011011010110110…
…100011110111100100
312021111202212211201212
4303122312203313210
51401033100441312
641210322410552
73663121450355
oct633266436744
9167452784655
1055211343332
1121462400472
12a84a200a58
13528b627a32
14295a8c7d2c
151682146822
hexcdada3de4

55211343332 has 6 divisors (see below), whose sum is σ = 96619850838. Its totient is φ = 27605671664.

The previous prime is 55211343259. The next prime is 55211343359. The reversal of 55211343332 is 23334311255.

It can be written as a sum of positive squares in only one way, i.e., 38375242816 + 16836100516 = 195896^2 + 129754^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6901417913 + ... + 6901417920.

It is an arithmetic number, because the mean of its divisors is an integer number (16103308473).

Almost surely, 255211343332 is an apocalyptic number.

It is an amenable number.

55211343332 is a deficient number, since it is larger than the sum of its proper divisors (41408507506).

55211343332 is a wasteful number, since it uses less digits than its factorization.

55211343332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802835837 (or 13802835835 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

Adding to 55211343332 its reverse (23334311255), we get a palindrome (78545654587).

The spelling of 55211343332 in words is "fifty-five billion, two hundred eleven million, three hundred forty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 13802835833 27605671666 55211343332