57432077 has 2 divisors, whose sum is σ = 57432078. Its totient is φ = 57432076.

The previous prime is 57432061. The next prime is 57432091. The reversal of 57432077 is 77023475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35772361 + 21659716 = 5981^2 + 4654^2 .

It is a cyclic number.

It is not a de Polignac number, because 57432077 - 2⁴ = 57432061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57432007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28716038 + 28716039.

It is an arithmetic number, because the mean of its divisors is an integer number (28716039).

Almost surely, 2^57432077 is an apocalyptic number.

It is an amenable number.

57432077 is a deficient number, since it is larger than the sum of its proper divisors (1).

57432077 is an equidigital number, since it uses as much as digits as its factorization.

57432077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 57432077 is about 7578.3954106394. The cubic root of 57432077 is about 385.8200925421.

The spelling of 57432077 in words is "fifty-seven million, four hundred thirty-two thousand, seventy-seven".