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54455342816 = 257243104209
BaseRepresentation
bin110010101101110010…
…101001011011100000
312012120002100000222202
4302231302221123200
51343011031432231
641003314552332
73635311530260
oct625562513340
9165502300882
1054455342816
1121104692056
12a678b986a8
13519ab0bc54
1428c83337a0
15163aab15cb
hexcadca96e0

54455342816 has 24 divisors (see below), whose sum is σ = 122524521840. Its totient is φ = 23338003968.

The previous prime is 54455342801. The next prime is 54455342819. The reversal of 54455342816 is 61824355445.

54455342816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×544553428162 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54455342819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121551881 + ... + 121552328.

It is an arithmetic number, because the mean of its divisors is an integer number (5105188410).

Almost surely, 254455342816 is an apocalyptic number.

54455342816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54455342816 is an abundant number, since it is smaller than the sum of its proper divisors (68069179024).

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

54455342816 is a wasteful number, since it uses less digits than its factorization.

54455342816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243104226 (or 243104218 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 47.

The spelling of 54455342816 in words is "fifty-four billion, four hundred fifty-five million, three hundred forty-two thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 243104209 486208418 972416836 1701729463 1944833672 3403458926 3889667344 6806917852 7779334688 13613835704 27227671408 54455342816