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55731160 = 2353593881
BaseRepresentation
bin1101010010011…
…0001111011000
310212212102210001
43110212033120
5103231344120
65310302344
71244464342
oct324461730
9125772701
1055731160
1129505711
12167b79b4
13b713c24
14758a292
154d5ce0a
hex35263d8

55731160 has 32 divisors (see below), whose sum is σ = 125776800. Its totient is φ = 22224640.

The previous prime is 55731157. The next prime is 55731163. The reversal of 55731160 is 6113755.

55731160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55731157) and next prime (55731163).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55731163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12420 + ... + 16300.

It is an arithmetic number, because the mean of its divisors is an integer number (3930525).

Almost surely, 255731160 is an apocalyptic number.

It is an amenable number.

55731160 is an abundant number, since it is smaller than the sum of its proper divisors (70045640).

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

55731160 is a wasteful number, since it uses less digits than its factorization.

55731160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251 (or 4247 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 55731160 is about 7465.3305352141. The cubic root of 55731160 is about 381.9730251504.

The spelling of 55731160 in words is "fifty-five million, seven hundred thirty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 359 718 1436 1795 2872 3590 3881 7180 7762 14360 15524 19405 31048 38810 77620 155240 1393279 2786558 5573116 6966395 11146232 13932790 27865580 55731160