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55774592896 = 27112931139317
BaseRepresentation
bin110011111100011011…
…001011111110000000
312022222000201212212211
4303330123023332000
51403211243433041
641342243031504
74013101134361
oct637433137600
9168860655784
1055774592896
1121721338180
12a98696b594
13534b226bb9
1429b1625b68
1516b6805481
hexcfc6cbf80

55774592896 has 256 divisors, whose sum is σ = 130781952000. Its totient is φ = 23443660800.

The previous prime is 55774592879. The next prime is 55774592899. The reversal of 55774592896 is 69829547755.

It is a super-2 number, since 2×557745928962 (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 (55774592899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175944930 + ... + 175945246.

It is an arithmetic number, because the mean of its divisors is an integer number (510867000).

Almost surely, 255774592896 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 55774592896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65390976000).

55774592896 is an abundant number, since it is smaller than the sum of its proper divisors (75007359104).

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

55774592896 is a wasteful number, since it uses less digits than its factorization.

55774592896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 529 counting only the distinct ones).

The product of its digits is 190512000, while the sum is 67.

The spelling of 55774592896 in words is "fifty-five billion, seven hundred seventy-four million, five hundred ninety-two thousand, eight hundred ninety-six".