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55672233886 = 227836116943
BaseRepresentation
bin110011110110010100…
…101101111110011110
312022200220010111201101
4303312110231332132
51403004042441021
641324145103314
74010416115533
oct636624557636
9168626114641
1055672233886
1121679585355
12a958627b3a
135332c68739
1429a1bbcd8a
1516ac836a91
hexcf652df9e

55672233886 has 4 divisors (see below), whose sum is σ = 83508350832. Its totient is φ = 27836116942.

The previous prime is 55672233839. The next prime is 55672233923. The reversal of 55672233886 is 68833227655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68833227655 = 513766645531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13918058470 + ... + 13918058473.

It is an arithmetic number, because the mean of its divisors is an integer number (20877087708).

Almost surely, 255672233886 is an apocalyptic number.

55672233886 is a deficient number, since it is larger than the sum of its proper divisors (27836116946).

55672233886 is a wasteful number, since it uses less digits than its factorization.

55672233886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27836116945.

The product of its digits is 14515200, while the sum is 55.

The spelling of 55672233886 in words is "fifty-five billion, six hundred seventy-two million, two hundred thirty-three thousand, eight hundred eighty-six".

Divisors: 1 2 27836116943 55672233886