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53540501420 = 22571743539871
BaseRepresentation
bin110001110111010000…
…110011011110101100
312010012022220021112002
4301313100303132230
51334122332021140
640332434431432
73603532516220
oct616720633654
9163168807462
1053540501420
112078524318a
12a462732578
13508341a193
14283ca32780
1515d5602415
hexc774337ac

53540501420 has 192 divisors, whose sum is σ = 141861113856. Its totient is φ = 16555069440.

The previous prime is 53540501353. The next prime is 53540501453. The reversal of 53540501420 is 2410504535.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5419085 + ... + 5428955.

It is an arithmetic number, because the mean of its divisors is an integer number (738859968).

Almost surely, 253540501420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53540501420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70930556928).

53540501420 is an abundant number, since it is smaller than the sum of its proper divisors (88320612436).

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

53540501420 is a wasteful number, since it uses less digits than its factorization.

53540501420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000 (or 9998 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 53540501420 in words is "fifty-three billion, five hundred forty million, five hundred one thousand, four hundred twenty".