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55713144 = 2332321381
BaseRepresentation
bin1101010010000…
…1110101111000
310212211112001210
43110201311320
5103230310034
65310043120
71244360664
oct324416570
9125745053
1055713144
11294a3123
12167a94a0
13b708976
1475838a4
154d578e9
hex3521d78

55713144 has 16 divisors (see below), whose sum is σ = 139282920. Its totient is φ = 18571040.

The previous prime is 55713143. The next prime is 55713193. The reversal of 55713144 is 44131755.

55713144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55713143) 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 3 ways as a sum of consecutive naturals, for example, 1160667 + ... + 1160714.

Almost surely, 255713144 is an apocalyptic number.

It is an amenable number.

55713144 is an abundant number, since it is smaller than the sum of its proper divisors (83569776).

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

55713144 is a wasteful number, since it uses less digits than its factorization.

55713144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321390 (or 2321386 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 55713144 is about 7464.1237931856. The cubic root of 55713144 is about 381.9318610590.

Adding to 55713144 its reverse (44131755), we get a palindrome (99844899).

The spelling of 55713144 in words is "fifty-five million, seven hundred thirteen thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 2321381 4642762 6964143 9285524 13928286 18571048 27856572 55713144