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57888485 = 517681041
BaseRepresentation
bin1101110011010…
…0111011100101
311000221001001222
43130310323211
5104304412420
65424430125
71302021044
oct334647345
9130831058
1057888485
112a749526
1217478345
13bcbab55
14798c55b
155137225
hex3734ee5

57888485 has 8 divisors (see below), whose sum is σ = 73552536. Its totient is φ = 43586560.

The previous prime is 57888473. The next prime is 57888487. The reversal of 57888485 is 58488875.

It can be written as a sum of positive squares in 4 ways, for example, as 1833316 + 56055169 = 1354^2 + 7487^2 .

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

It is not a de Polignac number, because 57888485 - 212 = 57884389 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 (57888487) 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, 340436 + ... + 340605.

It is an arithmetic number, because the mean of its divisors is an integer number (9194067).

Almost surely, 257888485 is an apocalyptic number.

It is an amenable number.

57888485 is a deficient number, since it is larger than the sum of its proper divisors (15664051).

57888485 is a wasteful number, since it uses less digits than its factorization.

57888485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681063.

The product of its digits is 2867200, while the sum is 53.

The square root of 57888485 is about 7608.4482649224. The cubic root of 57888485 is about 386.8394239755.

The spelling of 57888485 in words is "fifty-seven million, eight hundred eighty-eight thousand, four hundred eighty-five".

Divisors: 1 5 17 85 681041 3405205 11577697 57888485