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55746804669 = 3194726937727
BaseRepresentation
bin110011111010110001…
…001011101110111101
312022220002110002121020
4303322301023232331
51403132140222134
641335411254353
74012313010213
oct637261135675
9168802402536
1055746804669
11217076884a6
12a9795aa3b9
13534554786a
1429aba70cb3
1516b4166b49
hexcfac4bbbd

55746804669 has 32 divisors (see below), whose sum is σ = 79945850880. Its totient is φ = 34442137152.

The previous prime is 55746804653. The next prime is 55746804739. The reversal of 55746804669 is 96640864755.

It is not a de Polignac number, because 55746804669 - 24 = 55746804653 is a prime.

It is a super-2 number, since 2×557468046692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55746804649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7210684 + ... + 7218410.

It is an arithmetic number, because the mean of its divisors is an integer number (2498307840).

Almost surely, 255746804669 is an apocalyptic number.

It is an amenable number.

55746804669 is a deficient number, since it is larger than the sum of its proper divisors (24199046211).

55746804669 is a wasteful number, since it uses less digits than its factorization.

55746804669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10489.

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 55746804669 in words is "fifty-five billion, seven hundred forty-six million, eight hundred four thousand, six hundred sixty-nine".

Divisors: 1 3 19 47 57 141 893 2679 2693 7727 8079 23181 51167 126571 146813 153501 363169 379713 440439 1089507 2404849 6900211 7214547 20700633 20808811 62426433 395367409 978014117 1186102227 2934042351 18582268223 55746804669