57432061 has 2 divisors, whose sum is σ = 57432062. Its totient is φ = 57432060.

The previous prime is 57432017. The next prime is 57432077. The reversal of 57432061 is 16023475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56340036 + 1092025 = 7506^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 57432061 - 2¹¹ = 57430013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57432091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28716030 + 28716031.

It is an arithmetic number, because the mean of its divisors is an integer number (28716031).

Almost surely, 2^57432061 is an apocalyptic number.

It is an amenable number.

57432061 is a deficient number, since it is larger than the sum of its proper divisors (1).

57432061 is an equidigital number, since it uses as much as digits as its factorization.

57432061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 57432061 is about 7578.3943550069. The cubic root of 57432061 is about 385.8200567135.

The spelling of 57432061 in words is "fifty-seven million, four hundred thirty-two thousand, sixty-one".