57438707 has 2 divisors, whose sum is σ = 57438708. Its totient is φ = 57438706.

The previous prime is 57438679. The next prime is 57438737. The reversal of 57438707 is 70783475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57438707 - 2¹⁰ = 57437683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57438737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28719353 + 28719354.

It is an arithmetic number, because the mean of its divisors is an integer number (28719354).

Almost surely, 2^57438707 is an apocalyptic number.

57438707 is a deficient number, since it is larger than the sum of its proper divisors (1).

57438707 is an equidigital number, since it uses as much as digits as its factorization.

57438707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 57438707 is about 7578.8328257061. The cubic root of 57438707 is about 385.8349384198.

The spelling of 57438707 in words is "fifty-seven million, four hundred thirty-eight thousand, seven hundred seven".