Search a number
-
+
57323893537 = 157365120341
BaseRepresentation
bin110101011000110001…
…010011001100100001
312110222000000111211001
4311120301103030201
51414344404043122
642200105552001
74066353025021
oct653061231441
9173860014731
1057323893537
1122346930729
12b1397a5601
1355371bb141
142abb2bda81
15175783c527
hexd58c53321

57323893537 has 4 divisors (see below), whose sum is σ = 57689014036. Its totient is φ = 56958773040.

The previous prime is 57323893483. The next prime is 57323893579. The reversal of 57323893537 is 73539832375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10425226816 + 46898666721 = 102104^2 + 216561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57323893537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57323897537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182560014 + ... + 182560327.

It is an arithmetic number, because the mean of its divisors is an integer number (14422253509).

Almost surely, 257323893537 is an apocalyptic number.

It is an amenable number.

57323893537 is a deficient number, since it is larger than the sum of its proper divisors (365120499).

57323893537 is a wasteful number, since it uses less digits than its factorization.

57323893537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365120498.

The product of its digits is 14288400, while the sum is 55.

The spelling of 57323893537 in words is "fifty-seven billion, three hundred twenty-three million, eight hundred ninety-three thousand, five hundred thirty-seven".

Divisors: 1 157 365120341 57323893537