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53454555040 = 255334090969
BaseRepresentation
bin110001110010001000…
…111100011110100000
312002222100011202020211
4301302020330132200
51333433331230130
640320124343504
73601440135535
oct616210743640
9162870152224
1053454555040
1120740780417
12a4399a4b94
13506b687333
14283145cd8c
1515cccc6a2a
hexc7223c7a0

53454555040 has 24 divisors (see below), whose sum is σ = 126286386660. Its totient is φ = 21381821952.

The previous prime is 53454555031. The next prime is 53454555059. The reversal of 53454555040 is 4055545435.

It can be written as a sum of positive squares in 2 ways, for example, as 48493324944 + 4961230096 = 220212^2 + 70436^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 53454554984 and 53454555002.

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, 167045325 + ... + 167045644.

Almost surely, 253454555040 is an apocalyptic number.

It is an amenable number.

53454555040 is an abundant number, since it is smaller than the sum of its proper divisors (72831831620).

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

53454555040 is a wasteful number, since it uses less digits than its factorization.

53454555040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334090984 (or 334090976 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 53454555040 in words is "fifty-three billion, four hundred fifty-four million, five hundred fifty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 334090969 668181938 1336363876 1670454845 2672727752 3340909690 5345455504 6681819380 10690911008 13363638760 26727277520 53454555040