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55277301940 = 22572913615099
BaseRepresentation
bin110011011110110010…
…001011000010110100
312021200100222212221021
4303132302023002310
51401201442130230
641221040230524
73664552212460
oct633662130264
9167610885837
1055277301940
1121496661113
12a86830b444
13529c1acbb3
1429655774a0
151687d24c7a
hexcdec8b0b4

55277301940 has 48 divisors (see below), whose sum is σ = 137240208000. Its totient is φ = 18298691712.

The previous prime is 55277301913. The next prime is 55277301941. The reversal of 55277301940 is 4910377255.

55277301940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55277301941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6803490 + ... + 6811609.

It is an arithmetic number, because the mean of its divisors is an integer number (2859171000).

Almost surely, 255277301940 is an apocalyptic number.

It is an amenable number.

55277301940 is an abundant number, since it is smaller than the sum of its proper divisors (81962906060).

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

55277301940 is a wasteful number, since it uses less digits than its factorization.

55277301940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13615144 (or 13615142 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 55277301940 in words is "fifty-five billion, two hundred seventy-seven million, three hundred one thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 812 1015 2030 4060 13615099 27230198 54460396 68075495 95305693 136150990 190611386 272301980 381222772 394837871 476528465 789675742 953056930 1579351484 1906113860 1974189355 2763865097 3948378710 5527730194 7896757420 11055460388 13819325485 27638650970 55277301940