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54561227958 = 2323031179331
BaseRepresentation
bin110010110100000110…
…100100010010110110
312012211110120120002200
4302310012210102312
51343220133243313
641022020245330
73641035533306
oct626406442266
9165743516080
1054561227958
1121159433136
12a6a8540846
1351b6a33393
1428d8417606
151645029b73
hexcb41a44b6

54561227958 has 12 divisors (see below), whose sum is σ = 118215993948. Its totient is φ = 18187075980.

The previous prime is 54561227957. The next prime is 54561227999. The reversal of 54561227958 is 85972216545.

54561227958 is a `hidden beast` number, since 5 + 4 + 561 + 2 + 2 + 79 + 5 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54561227957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1515589648 + ... + 1515589683.

It is an arithmetic number, because the mean of its divisors is an integer number (9851332829).

Almost surely, 254561227958 is an apocalyptic number.

54561227958 is an abundant number, since it is smaller than the sum of its proper divisors (63654765990).

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

54561227958 is a wasteful number, since it uses less digits than its factorization.

54561227958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031179339 (or 3031179336 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 54561227958 in words is "fifty-four billion, five hundred sixty-one million, two hundred twenty-seven thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 9 18 3031179331 6062358662 9093537993 18187075986 27280613979 54561227958