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57126055 = 571632173
BaseRepresentation
bin1101100111101…
…0110010100111
310222111022012211
43121322302213
5104111013210
65400224251
71262364160
oct331726247
9128438184
1057126055
112a278718
121716b087
13bab1acc
147830767
15503638a
hex367aca7

57126055 has 8 divisors (see below), whose sum is σ = 78344352. Its totient is φ = 39172128.

The previous prime is 57126053. The next prime is 57126061. The reversal of 57126055 is 55062175.

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

It is a cyclic number.

It is not a de Polignac number, because 57126055 - 21 = 57126053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57126053) 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, 816052 + ... + 816121.

It is an arithmetic number, because the mean of its divisors is an integer number (9793044).

Almost surely, 257126055 is an apocalyptic number.

57126055 is a deficient number, since it is larger than the sum of its proper divisors (21218297).

57126055 is a wasteful number, since it uses less digits than its factorization.

57126055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632185.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 57126055 is about 7558.1780211900. The cubic root of 57126055 is about 385.1336018025.

The spelling of 57126055 in words is "fifty-seven million, one hundred twenty-six thousand, fifty-five".

Divisors: 1 5 7 35 1632173 8160865 11425211 57126055