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55745743 = 292637309
BaseRepresentation
bin1101010010100…
…1110011001111
310212220011210011
43110221303033
5103232330433
65310454051
71244555014
oct324516317
9125804704
1055745743
1129515669
1216804327
13b71a761
14759170b
154d623cd
hex3529ccf

55745743 has 8 divisors (see below), whose sum is σ = 57895200. Its totient is φ = 53611488.

The previous prime is 55745741. The next prime is 55745747. The reversal of 55745743 is 34754755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55745743 - 21 = 55745741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55745696 and 55745705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55745741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3973 + ... + 11281.

It is an arithmetic number, because the mean of its divisors is an integer number (7236900).

Almost surely, 255745743 is an apocalyptic number.

55745743 is a deficient number, since it is larger than the sum of its proper divisors (2149457).

55745743 is a wasteful number, since it uses less digits than its factorization.

55745743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601.

The product of its digits is 294000, while the sum is 40.

The square root of 55745743 is about 7466.3071862869. The cubic root of 55745743 is about 382.0063388110.

The spelling of 55745743 in words is "fifty-five million, seven hundred forty-five thousand, seven hundred forty-three".

Divisors: 1 29 263 7309 7627 211961 1922267 55745743