57750001 has 2 divisors, whose sum is σ = 57750002. Its totient is φ = 57750000.

The previous prime is 57749983. The next prime is 57750023. The reversal of 57750001 is 10005775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41589601 + 16160400 = 6449^2 + 4020^2 .

It is a cyclic number.

It is not a de Polignac number, because 57750001 - 2¹¹ = 57747953 is a prime.

It is not a weakly prime, because it can be changed into another prime (57750031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28875000 + 28875001.

It is an arithmetic number, because the mean of its divisors is an integer number (28875001).

Almost surely, 2^57750001 is an apocalyptic number.

It is an amenable number.

57750001 is a deficient number, since it is larger than the sum of its proper divisors (1).

57750001 is an equidigital number, since it uses as much as digits as its factorization.

57750001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 57750001 is about 7599.3421425805. The cubic root of 57750001 is about 386.5307048569.

Adding to 57750001 its reverse (10005775), we get a palindrome (67755776).

The spelling of 57750001 in words is "fifty-seven million, seven hundred fifty thousand, one".