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55523160 = 233257112003
BaseRepresentation
bin1101001111001…
…1011101011000
310212110212110100
43103303131120
5103203220120
65302015400
71242640050
oct323633530
9125425410
1055523160
1129383410
1216717560
13b670354
147534560
154d1b490
hex34f3758

55523160 has 192 divisors, whose sum is σ = 225089280. Its totient is φ = 11531520.

The previous prime is 55523147. The next prime is 55523203. The reversal of 55523160 is 6132555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26719 + ... + 28721.

It is an arithmetic number, because the mean of its divisors is an integer number (1172340).

Almost surely, 255523160 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 55523160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112544640).

55523160 is an abundant number, since it is smaller than the sum of its proper divisors (169566120).

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

55523160 is a wasteful number, since it uses less digits than its factorization.

55523160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55523160 is about 7451.3864481719. The cubic root of 55523160 is about 381.4972324559.

The spelling of 55523160 in words is "fifty-five million, five hundred twenty-three thousand, one hundred sixty".