57054457 has 2 divisors, whose sum is σ = 57054458. Its totient is φ = 57054456.

The previous prime is 57054451. The next prime is 57054463. The reversal of 57054457 is 75445075.

It is a balanced prime because it is at equal distance from previous prime (57054451) and next prime (57054463).

It can be written as a sum of positive squares in only one way, i.e., 52577001 + 4477456 = 7251^2 + 2116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57054457 is a prime.

It is a super-2 number, since 2×57054457² = 6510422127129698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57054451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28527228 + 28527229.

It is an arithmetic number, because the mean of its divisors is an integer number (28527229).

Almost surely, 2^57054457 is an apocalyptic number.

It is an amenable number.

57054457 is a deficient number, since it is larger than the sum of its proper divisors (1).

57054457 is an equidigital number, since it uses as much as digits as its factorization.

57054457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 57054457 is about 7553.4400772099. The cubic root of 57054457 is about 384.9726342499.

The spelling of 57054457 in words is "fifty-seven million, fifty-four thousand, four hundred fifty-seven".