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55575700 = 22523111787
BaseRepresentation
bin1101010000000…
…0010010010100
310212120112112021
43110000102110
5103211410300
65303102524
71243246165
oct324002224
9125515467
1055575700
1129409934
1216741a44
13b68b23b
14754976c
154d2bd1a
hex3500494

55575700 has 36 divisors (see below), whose sum is σ = 121054752. Its totient is φ = 22146400.

The previous prime is 55575673. The next prime is 55575719. The reversal of 55575700 is 757555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30207 + ... + 31993.

It is an arithmetic number, because the mean of its divisors is an integer number (3362632).

Almost surely, 255575700 is an apocalyptic number.

55575700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55575700 is an abundant number, since it is smaller than the sum of its proper divisors (65479052).

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

55575700 is a wasteful number, since it uses less digits than its factorization.

55575700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 30625, while the sum is 34.

The square root of 55575700 is about 7454.9111329378. The cubic root of 55575700 is about 381.6175278762.

The spelling of 55575700 in words is "fifty-five million, five hundred seventy-five thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 311 622 1244 1555 1787 3110 3574 6220 7148 7775 8935 15550 17870 31100 35740 44675 89350 178700 555757 1111514 2223028 2778785 5557570 11115140 13893925 27787850 55575700