57582061 has 2 divisors, whose sum is σ = 57582062. Its totient is φ = 57582060.

The previous prime is 57581983. The next prime is 57582089. The reversal of 57582061 is 16028575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57229225 + 352836 = 7565^2 + 594^2 .

It is a cyclic number.

It is not a de Polignac number, because 57582061 - 2⁹ = 57581549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57582361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28791030 + 28791031.

It is an arithmetic number, because the mean of its divisors is an integer number (28791031).

Almost surely, 2^57582061 is an apocalyptic number.

It is an amenable number.

57582061 is a deficient number, since it is larger than the sum of its proper divisors (1).

57582061 is an equidigital number, since it uses as much as digits as its factorization.

57582061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 57582061 is about 7588.2844569771. The cubic root of 57582061 is about 386.1556572857.

The spelling of 57582061 in words is "fifty-seven million, five hundred eighty-two thousand, sixty-one".