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55649077983 = 32173308311593
BaseRepresentation
bin110011110100111100…
…011000101011011111
312022122021120001210100
4303310330120223133
51402432130443413
641322000512143
74010015233602
oct636474305337
9168567501710
1055649077983
11216674a9a44
12a95091b653
13532b21ba15
14299cab2339
1516aa7b0a73
hexcf4f18adf

55649077983 has 24 divisors (see below), whose sum is σ = 80879836752. Its totient is φ = 36869793408.

The previous prime is 55649077963. The next prime is 55649077993. The reversal of 55649077983 is 38977094655.

55649077983 is a `hidden beast` number, since 5 + 56 + 490 + 7 + 7 + 98 + 3 = 666.

It is not a de Polignac number, because 55649077983 - 28 = 55649077727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55649077983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55649077963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4794435 + ... + 4806027.

It is an arithmetic number, because the mean of its divisors is an integer number (3369993198).

Almost surely, 255649077983 is an apocalyptic number.

55649077983 is a deficient number, since it is larger than the sum of its proper divisors (25230758769).

55649077983 is a wasteful number, since it uses less digits than its factorization.

55649077983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14855 (or 14852 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 55649077983 in words is "fifty-five billion, six hundred forty-nine million, seventy-seven thousand, nine hundred eighty-three".

Divisors: 1 3 9 173 519 1557 3083 9249 11593 27747 34779 104337 533359 1600077 2005589 4800231 6016767 18050301 35741219 107223657 321670971 6183230887 18549692661 55649077983