57046457 has 12 divisors (see below), whose sum is σ = 63286524. Its totient is φ = 51367680.

The previous prime is 57046411. The next prime is 57046459. The reversal of 57046457 is 75464075.

It can be written as a sum of positive squares in 6 ways, for example, as 31483321 + 25563136 = 5611^2 + 5056^2 .

It is not a de Polignac number, because 57046457 - 2¹⁰ = 57045433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57046457.

It is not an unprimeable number, because it can be changed into a prime (57046459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2813 + ... + 11045.

It is an arithmetic number, because the mean of its divisors is an integer number (5273877).

Almost surely, 2^57046457 is an apocalyptic number.

It is an amenable number.

57046457 is a deficient number, since it is larger than the sum of its proper divisors (6240067).

57046457 is a wasteful number, since it uses less digits than its factorization.

57046457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300 (or 8287 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 57046457 is about 7552.9104986091. The cubic root of 57046457 is about 384.9546401837.

The spelling of 57046457 in words is "fifty-seven million, forty-six thousand, four hundred fifty-seven".