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53880521227 = 139742728407
BaseRepresentation
bin110010001011100001…
…111000001000001011
312011002000201002000021
4302023201320020023
51340321403134402
640430302321311
73615131605501
oct621341701013
9164060632007
1053880521227
112093a171095
12a538589237
1351089ba830
142871c62671
1516053b8d37
hexc8b87820b

53880521227 has 8 divisors (see below), whose sum is σ = 58623375776. Its totient is φ = 49223123712.

The previous prime is 53880521197. The next prime is 53880521239. The reversal of 53880521227 is 72212508835.

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

It is a cyclic number.

It is not a de Polignac number, because 53880521227 - 231 = 51733037579 is a prime.

It is a super-3 number, since 3×538805212273 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53880521267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21362943 + ... + 21365464.

It is an arithmetic number, because the mean of its divisors is an integer number (7327921972).

Almost surely, 253880521227 is an apocalyptic number.

53880521227 is a deficient number, since it is larger than the sum of its proper divisors (4742854549).

53880521227 is a wasteful number, since it uses less digits than its factorization.

53880521227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42728517.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 53880521227 in words is "fifty-three billion, eight hundred eighty million, five hundred twenty-one thousand, two hundred twenty-seven".

Divisors: 1 13 97 1261 42728407 555469291 4144655479 53880521227