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55629331200 = 2833521729653
BaseRepresentation
bin110011110011110001…
…000011101100000000
312022120220101211022000
4303303301003230000
51402412102044300
641320013344000
74006355341032
oct636361035400
9168526354260
1055629331200
1121657341993
12a946198000
1353270c6931
14299a211c52
1516a8baec00
hexcf3c43b00

55629331200 has 864 divisors, whose sum is σ = 223776302400. Its totient is φ = 13459783680.

The previous prime is 55629331141. The next prime is 55629331249. The reversal of 55629331200 is 213392655.

55629331200 is a `hidden beast` number, since 5 + 5 + 629 + 3 + 3 + 1 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 85190074 + ... + 85190726.

It is an arithmetic number, because the mean of its divisors is an integer number (259000350).

Almost surely, 255629331200 is an apocalyptic number.

55629331200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55629331200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111888151200).

55629331200 is an abundant number, since it is smaller than the sum of its proper divisors (168146971200).

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

55629331200 is a wasteful number, since it uses less digits than its factorization.

55629331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 55629331200 in words is "fifty-five billion, six hundred twenty-nine million, three hundred thirty-one thousand, two hundred".