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53992172479 = 722998338653
BaseRepresentation
bin110010010010001011…
…110010101110111111
312011100210210112201211
4302102023302232333
51341033444004404
640445331345251
73620655615400
oct622213625677
9164323715654
1053992172479
11209971a0353
12a569a52227
135125b8066b
142882a079a7
1516100c0b04
hexc922f2bbf

53992172479 has 24 divisors (see below), whose sum is σ = 65040766560. Its totient is φ = 44636566464.

The previous prime is 53992172467. The next prime is 53992172483. The reversal of 53992172479 is 97427129935.

It is not a de Polignac number, because 53992172479 - 213 = 53992164287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53992172419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1377517 + ... + 1416169.

It is an arithmetic number, because the mean of its divisors is an integer number (2710031940).

Almost surely, 253992172479 is an apocalyptic number.

53992172479 is a deficient number, since it is larger than the sum of its proper divisors (11048594081).

53992172479 is a wasteful number, since it uses less digits than its factorization.

53992172479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39679 (or 39672 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 58.

The spelling of 53992172479 in words is "fifty-three billion, nine hundred ninety-two million, one hundred seventy-two thousand, four hundred seventy-nine".

Divisors: 1 7 29 49 203 983 1421 6881 28507 38653 48167 199549 270571 1120937 1396843 1893997 7846559 37995899 54925913 265971293 1101881071 1861799051 7713167497 53992172479