57077443 has 2 divisors, whose sum is σ = 57077444. Its totient is φ = 57077442.

The previous prime is 57077429. The next prime is 57077473. The reversal of 57077443 is 34477075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57077443 - 2¹³ = 57069251 is a prime.

It is equal to p_3398770 and since 57077443 and 3398770 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (57077473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28538721 + 28538722.

It is an arithmetic number, because the mean of its divisors is an integer number (28538722).

Almost surely, 2^57077443 is an apocalyptic number.

57077443 is a deficient number, since it is larger than the sum of its proper divisors (1).

57077443 is an equidigital number, since it uses as much as digits as its factorization.

57077443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 57077443 is about 7554.9614823638. The cubic root of 57077443 is about 385.0243263428.

The spelling of 57077443 in words is "fifty-seven million, seventy-seven thousand, four hundred forty-three".