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55289010992 = 2447121760413
BaseRepresentation
bin110011011111011110…
…110101101100110000
312021201012000202201212
4303133132311230300
51401212441322432
641222135215252
73665053560605
oct633736655460
9167635022655
1055289010992
11214a2229316
12a870217528
1352a174c627
142966d446ac
151688d892b2
hexcdf7b5b30

55289010992 has 40 divisors (see below), whose sum is σ = 109493366976. Its totient is φ = 27033645056.

The previous prime is 55289010977. The next prime is 55289011079. The reversal of 55289010992 is 29901098255.

It is a self number, because there is not a number n which added to its sum of digits gives 55289010992.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884978 + ... + 945390.

Almost surely, 255289010992 is an apocalyptic number.

It is an amenable number.

55289010992 is a deficient number, since it is larger than the sum of its proper divisors (54204355984).

55289010992 is a wasteful number, since it uses less digits than its factorization.

55289010992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61685 (or 61679 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 55289010992 in words is "fifty-five billion, two hundred eighty-nine million, ten thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 47 94 188 376 752 1217 2434 4868 9736 19472 57199 60413 114398 120826 228796 241652 457592 483304 915184 966608 2839411 5678822 11357644 22715288 45430576 73522621 147045242 294090484 588180968 1176361936 3455563187 6911126374 13822252748 27644505496 55289010992