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55825255080 = 23355721931199
BaseRepresentation
bin110011111111011100…
…011100101010101000
312100002120001210100000
4303333130130222220
51403312231130310
641351252543000
74014254560500
oct637734345250
9170076053300
1055825255080
11217479a0451
12a99b921a60
13535888481a
1429b8252a00
1516baeb14c0
hexcff71caa8

55825255080 has 1152 divisors, whose sum is σ = 239016960000. Its totient is φ = 11639738880.

The previous prime is 55825255063. The next prime is 55825255091. The reversal of 55825255080 is 8055252855.

55825255080 is a `hidden beast` number, since 558 + 25 + 25 + 50 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 280528821 + ... + 280529019.

It is an arithmetic number, because the mean of its divisors is an integer number (207480000).

Almost surely, 255825255080 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 55825255080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119508480000).

55825255080 is an abundant number, since it is smaller than the sum of its proper divisors (183191704920).

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

55825255080 is a wasteful number, since it uses less digits than its factorization.

55825255080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 45.

The spelling of 55825255080 in words is "fifty-five billion, eight hundred twenty-five million, two hundred fifty-five thousand, eighty".