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53240055351 = 3721323118897
BaseRepresentation
bin110001100101010110…
…101100011000110111
312002102101120000222220
4301211112230120313
51333013423232401
640242543053423
73563224001160
oct614526543067
9162371500886
1053240055351
112064069464a
12a399ba1273
1350360c4342
142810b84767
1515b9056336
hexc655ac637

53240055351 has 16 divisors (see below), whose sum is σ = 81132190464. Its totient is φ = 30421206144.

The previous prime is 53240055347. The next prime is 53240055397. The reversal of 53240055351 is 15355004235.

It is a happy number.

It is not a de Polignac number, because 53240055351 - 22 = 53240055347 is a prime.

It is a super-3 number, since 3×532400553513 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53240050351) 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 15 ways as a sum of consecutive naturals, for example, 388335 + ... + 507231.

It is an arithmetic number, because the mean of its divisors is an integer number (5070761904).

Almost surely, 253240055351 is an apocalyptic number.

53240055351 is a deficient number, since it is larger than the sum of its proper divisors (27892135113).

53240055351 is a wasteful number, since it uses less digits than its factorization.

53240055351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140230.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 53240055351 its reverse (15355004235), we get a palindrome (68595059586).

The spelling of 53240055351 in words is "fifty-three billion, two hundred forty million, fifty-five thousand, three hundred fifty-one".

Divisors: 1 3 7 21 21323 63969 118897 149261 356691 447783 832279 2496837 2535240731 7605722193 17746685117 53240055351