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53879341680 = 243251731149953
BaseRepresentation
bin110010001011011101…
…011000001001110000
312011001221111010222100
4302023131120021300
51340321102413210
640430221140400
73615115563543
oct621335301160
9164057433870
1053879341680
112093953595a
12a5380ba700
135108696988
142871a3685a
1516052345c0
hexc8b758270

53879341680 has 480 divisors, whose sum is σ = 199305100800. Its totient is φ = 12984975360.

The previous prime is 53879341661. The next prime is 53879341723. The reversal of 53879341680 is 8614397835.

53879341680 is a `hidden beast` number, since 538 + 7 + 9 + 3 + 41 + 68 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 56536084 + ... + 56537036.

It is an arithmetic number, because the mean of its divisors is an integer number (415218960).

Almost surely, 253879341680 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 53879341680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99652550400).

53879341680 is an abundant number, since it is smaller than the sum of its proper divisors (145425759120).

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

53879341680 is a wasteful number, since it uses less digits than its factorization.

53879341680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 53879341680 in words is "fifty-three billion, eight hundred seventy-nine million, three hundred forty-one thousand, six hundred eighty".