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54221557220601 = 345587396469441
BaseRepresentation
bin11000101010000011100001…
…01010000100010011111001
321002222112022112211220220020
430111001300222010103321
524101331222122024401
6311153012311321053
714264243506633011
oct1425016052042371
9232875275756806
1054221557220601
1116305262552851
1260b8601980189
1324340bca205c4
14d564a1a6ac41
156406618a8d36
hex315070a844f9

54221557220601 has 8 divisors (see below), whose sum is σ = 72296995687584. Its totient is φ = 36146911783680.

The previous prime is 54221557220591. The next prime is 54221557220627. The reversal of 54221557220601 is 10602275512245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54221557220601 - 243 = 45425464198393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54221558220601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198097960 + ... + 198371481.

It is an arithmetic number, because the mean of its divisors is an integer number (9037124460948).

Almost surely, 254221557220601 is an apocalyptic number.

It is an amenable number.

54221557220601 is a deficient number, since it is larger than the sum of its proper divisors (18075438466983).

54221557220601 is a wasteful number, since it uses less digits than its factorization.

54221557220601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396515031.

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 54221557220601 in words is "fifty-four trillion, two hundred twenty-one billion, five hundred fifty-seven million, two hundred twenty thousand, six hundred one".

Divisors: 1 3 45587 136761 396469441 1189408323 18073852406867 54221557220601