57000479 has 2 divisors, whose sum is σ = 57000480. Its totient is φ = 57000478.

The previous prime is 57000469. The next prime is 57000481. The reversal of 57000479 is 97400075.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57000479 is a prime.

Together with 57000481, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_3394463 and since 57000479 and 3394463 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57000469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28500239 + 28500240.

It is an arithmetic number, because the mean of its divisors is an integer number (28500240).

Almost surely, 2^57000479 is an apocalyptic number.

57000479 is a deficient number, since it is larger than the sum of its proper divisors (1).

57000479 is an equidigital number, since it uses as much as digits as its factorization.

57000479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 57000479 is about 7549.8661577541. The cubic root of 57000479 is about 384.8511911551.

The spelling of 57000479 in words is "fifty-seven million, four hundred seventy-nine", and thus it is an aban number.