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55687076574 = 23533534311151
BaseRepresentation
bin110011110111001101…
…010101101011011110
312022201221001121001120
4303313031111223132
51403021342422244
641325435151410
74010656224633
oct636715255336
9168657047046
1055687076574
11216869a2938
12a9615a5566
1353360645ac
1429a3b6418a
1516adcb9819
hexcf7355ade

55687076574 has 64 divisors (see below), whose sum is σ = 114160140288. Its totient is φ = 18102656000.

The previous prime is 55687076569. The next prime is 55687076591. The reversal of 55687076574 is 47567078655.

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 in 31 ways as a sum of consecutive naturals, for example, 48380899 + ... + 48382049.

It is an arithmetic number, because the mean of its divisors is an integer number (1783752192).

Almost surely, 255687076574 is an apocalyptic number.

55687076574 is an abundant number, since it is smaller than the sum of its proper divisors (58473063714).

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

55687076574 is a wasteful number, since it uses less digits than its factorization.

55687076574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 49392000, while the sum is 60.

The spelling of 55687076574 in words is "fifty-five billion, six hundred eighty-seven million, seventy-six thousand, five hundred seventy-four".

Divisors: 1 2 3 6 53 106 159 318 353 431 706 862 1059 1151 1293 2118 2302 2586 3453 6906 18709 22843 37418 45686 56127 61003 68529 112254 122006 137058 152143 183009 304286 366018 406303 456429 496081 812606 912858 992162 1218909 1488243 2437818 2976486 8063579 16127158 21534059 24190737 26292293 43068118 48381474 52584586 64602177 78876879 129204354 157753758 175116593 350233186 525349779 1050699558 9281179429 18562358858 27843538287 55687076574