57428479 has 2 divisors, whose sum is σ = 57428480. Its totient is φ = 57428478.

The previous prime is 57428473. The next prime is 57428491. The reversal of 57428479 is 97482475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57428479 - 2¹¹ = 57426431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57428473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28714239 + 28714240.

It is an arithmetic number, because the mean of its divisors is an integer number (28714240).

Almost surely, 2^57428479 is an apocalyptic number.

57428479 is a deficient number, since it is larger than the sum of its proper divisors (1).

57428479 is an equidigital number, since it uses as much as digits as its factorization.

57428479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 46.

The square root of 57428479 is about 7578.1580215775. The cubic root of 57428479 is about 385.8120354321.

The spelling of 57428479 in words is "fifty-seven million, four hundred twenty-eight thousand, four hundred seventy-nine".