57541730 has 16 divisors (see below), whose sum is σ = 104104440. Its totient is φ = 22899072.

The previous prime is 57541723. The next prime is 57541777. The reversal of 57541730 is 3714575.

It can be written as a sum of positive squares in 4 ways, for example, as 55606849 + 1934881 = 7457^2 + 1391^2 .

It is a super-2 number, since 2×57541730² = 6622101382785800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12635 + ... + 16574.

Almost surely, 2^57541730 is an apocalyptic number.

57541730 is a deficient number, since it is larger than the sum of its proper divisors (46562710).

57541730 is a wasteful number, since it uses less digits than its factorization.

57541730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29413.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 57541730 is about 7585.6265397131. The cubic root of 57541730 is about 386.0654805824.

The spelling of 57541730 in words is "fifty-seven million, five hundred forty-one thousand, seven hundred thirty".