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53445757484 = 2273751588569
BaseRepresentation
bin110001110001100111…
…011000101000101100
312002221201121210021102
4301301213120220230
51333424103214414
640315212022232
73601302304640
oct616147305054
9162851553242
1053445757484
1120736811709
12a436a61978
1350698c6b92
14283020cc20
1515cc139ede
hexc719d8a2c

53445757484 has 24 divisors (see below), whose sum is σ = 109780476960. Its totient is φ = 22286261376.

The previous prime is 53445757451. The next prime is 53445757517. The reversal of 53445757484 is 48475754435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53445757451) and next prime (53445757517).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25793249 + ... + 25795320.

It is an arithmetic number, because the mean of its divisors is an integer number (4574186540).

Almost surely, 253445757484 is an apocalyptic number.

It is an amenable number.

53445757484 is an abundant number, since it is smaller than the sum of its proper divisors (56334719476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53445757484 is a wasteful number, since it uses less digits than its factorization.

53445757484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51588617 (or 51588615 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 56.

The spelling of 53445757484 in words is "fifty-three billion, four hundred forty-five million, seven hundred fifty-seven thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 51588569 103177138 206354276 361119983 722239966 1444479932 1908777053 3817554106 7635108212 13361439371 26722878742 53445757484