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53445520770 = 2351781517359
BaseRepresentation
bin110001110001100110…
…011110110110000010
312002221201011202120020
4301301212132312002
51333424023131040
640315202554310
73601300300545
oct616146366602
9162851152506
1053445520770
112073666a884
12a436968996
135069843205
14283018a85c
1515cc0decd0
hexc7199ed82

53445520770 has 16 divisors (see below), whose sum is σ = 128269249920. Its totient is φ = 14252138864.

The previous prime is 53445520747. The next prime is 53445520781. The reversal of 53445520770 is 7702554435.

53445520770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890758650 + ... + 890758709.

It is an arithmetic number, because the mean of its divisors is an integer number (8016828120).

Almost surely, 253445520770 is an apocalyptic number.

53445520770 is an abundant number, since it is smaller than the sum of its proper divisors (74823729150).

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

53445520770 is a wasteful number, since it uses less digits than its factorization.

53445520770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781517369.

The product of its (nonzero) digits is 588000, while the sum is 42.

The spelling of 53445520770 in words is "fifty-three billion, four hundred forty-five million, five hundred twenty thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1781517359 3563034718 5344552077 8907586795 10689104154 17815173590 26722760385 53445520770