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55946554731 = 3212748947117
BaseRepresentation
bin110100000110101011…
…001010110101101011
312100102000022110011200
4310012223022311223
51404034304222411
641411304455243
74020256604004
oct640653126553
9170360273150
1055946554731
11217aa40a6a1
12aa1447a523
135377a45172
1429ca3ca1ab
1516c6971e56
hexd06acad6b

55946554731 has 12 divisors (see below), whose sum is σ = 81448004352. Its totient is φ = 37004019696.

The previous prime is 55946554691. The next prime is 55946554751. The reversal of 55946554731 is 13745564955.

55946554731 is a `hidden beast` number, since 5 + 5 + 9 + 4 + 65 + 547 + 31 = 666.

It is not a de Polignac number, because 55946554731 - 26 = 55946554667 is a prime.

It is a super-2 number, since 2×559465547312 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55946554751) 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 11 ways as a sum of consecutive naturals, for example, 24472416 + ... + 24474701.

It is an arithmetic number, because the mean of its divisors is an integer number (6787333696).

Almost surely, 255946554731 is an apocalyptic number.

55946554731 is a deficient number, since it is larger than the sum of its proper divisors (25501449621).

55946554731 is a wasteful number, since it uses less digits than its factorization.

55946554731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48947250 (or 48947247 counting only the distinct ones).

The product of its digits is 11340000, while the sum is 54.

The spelling of 55946554731 in words is "fifty-five billion, nine hundred forty-six million, five hundred fifty-four thousand, seven hundred thirty-one".

Divisors: 1 3 9 127 381 1143 48947117 146841351 440524053 6216283859 18648851577 55946554731