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53446410064 = 2431107754859
BaseRepresentation
bin110001110001101001…
…110111111101010000
312002221202211221110001
4301301221313331100
51333424240110224
640315234015344
73601310663335
oct616151677520
9162852757401
1053446410064
1120737117a33
12a437117554
135069a94c18
14283033c98c
1515cc218544
hexc71a77f50

53446410064 has 20 divisors (see below), whose sum is σ = 106892821120. Its totient is φ = 25861165920.

The previous prime is 53446410049. The next prime is 53446410091. The reversal of 53446410064 is 46001464435.

53446410064 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53876934 + ... + 53877925.

It is an arithmetic number, because the mean of its divisors is an integer number (5344641056).

Almost surely, 253446410064 is an apocalyptic number.

It is an amenable number.

53446410064 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53446410064 is a wasteful number, since it uses less digits than its factorization.

53446410064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107754898 (or 107754892 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 53446410064 its reverse (46001464435), we get a palindrome (99447874499).

The spelling of 53446410064 in words is "fifty-three billion, four hundred forty-six million, four hundred ten thousand, sixty-four".

Divisors: 1 2 4 8 16 31 62 124 248 496 107754859 215509718 431019436 862038872 1724077744 3340400629 6680801258 13361602516 26723205032 53446410064