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55957751832 = 23310322636631
BaseRepresentation
bin110100000111010101…
…111000100000011000
312100102210101022201010
4310013111320200120
51404100141024312
641412344453520
74020454020423
oct640725704030
9170383338633
1055957751832
11218057681a4
12aa1817a2a0
13537a165878
1429cbaa29ba
1516c793493c
hexd07578818

55957751832 has 32 divisors (see below), whose sum is σ = 141252583680. Its totient is φ = 18471490080.

The previous prime is 55957751819. The next prime is 55957751947. The reversal of 55957751832 is 23815775955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11315844 + ... + 11320787.

It is an arithmetic number, because the mean of its divisors is an integer number (4414143240).

Almost surely, 255957751832 is an apocalyptic number.

It is an amenable number.

55957751832 is an abundant number, since it is smaller than the sum of its proper divisors (85294831848).

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

55957751832 is a wasteful number, since it uses less digits than its factorization.

55957751832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22636743 (or 22636739 counting only the distinct ones).

The product of its digits is 13230000, while the sum is 57.

The spelling of 55957751832 in words is "fifty-five billion, nine hundred fifty-seven million, seven hundred fifty-one thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 103 206 309 412 618 824 1236 2472 22636631 45273262 67909893 90546524 135819786 181093048 271639572 543279144 2331572993 4663145986 6994718979 9326291972 13989437958 18652583944 27978875916 55957751832