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55881850101 = 37111737384599
BaseRepresentation
bin110100000010110100…
…010101110011110101
312100020111120010002220
4310002310111303311
51403421223200401
641401033552553
74015542613530
oct640264256365
9170214503086
1055881850101
11217769360a0
12a9b6875759
13536750b9bc
1429c1985a17
1516c0e40336
hexd02d15cf5

55881850101 has 64 divisors (see below), whose sum is σ = 101017497600. Its totient is φ = 26583413760.

The previous prime is 55881850099. The next prime is 55881850127. The reversal of 55881850101 is 10105818855.

55881850101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55881850101 - 21 = 55881850099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55881850301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47001 + ... + 337598.

It is an arithmetic number, because the mean of its divisors is an integer number (1578398400).

Almost surely, 255881850101 is an apocalyptic number.

55881850101 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55881850101 is a deficient number, since it is larger than the sum of its proper divisors (45135647499).

55881850101 is a wasteful number, since it uses less digits than its factorization.

55881850101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384674.

The product of its (nonzero) digits is 64000, while the sum is 42.

The spelling of 55881850101 in words is "fifty-five billion, eight hundred eighty-one million, eight hundred fifty thousand, one hundred one".

Divisors: 1 3 7 11 17 21 33 37 51 77 111 119 187 231 259 357 407 561 629 777 1221 1309 1887 2849 3927 4403 6919 8547 13209 20757 48433 145299 384599 1153797 2692193 4230589 6538183 8076579 12691767 14230163 19614549 29614123 42690489 45767281 71920013 88842369 99611141 137301843 156531793 215760039 241912771 298833423 469595379 503440091 725738313 1095722551 1510320273 1693389397 2661040481 3287167653 5080168191 7983121443 18627283367 55881850101