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55297469290944 = 26317197312214583
BaseRepresentation
bin11001001001010111100100…
…00000111001100111000000
321020210101102201020002010010
430210223302000321213000
524221443204114302234
6313335150125104520
714435052560426256
oct1444536200714700
9236711381202103
1055297469290944
111668a5858a3761
12625102a6b8140
1324b16b5223a5a
14d925a9d6a5d6
1565d63279a6e9
hex324af20399c0

55297469290944 has 224 divisors, whose sum is σ = 165301431022080. Its totient is φ = 16210020630528.

The previous prime is 55297469290939. The next prime is 55297469291081. The reversal of 55297469290944 is 44909296479255.

It is a super-2 number, since 2×552974692909442 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1580124 + ... + 10634459.

Almost surely, 255297469290944 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 55297469290944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82650715511040).

55297469290944 is an abundant number, since it is smaller than the sum of its proper divisors (110003961731136).

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

55297469290944 is a wasteful number, since it uses less digits than its factorization.

55297469290944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12214707 (or 12214697 counting only the distinct ones).

The product of its (nonzero) digits is 1763596800, while the sum is 75.

The spelling of 55297469290944 in words is "fifty-five trillion, two hundred ninety-seven billion, four hundred sixty-nine million, two hundred ninety thousand, nine hundred forty-four".