57031045 has 8 divisors (see below), whose sum is σ = 68937624. Its totient is φ = 45291264.

The previous prime is 57031019. The next prime is 57031049. The reversal of 57031045 is 54013075.

57031045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17164449 + 39866596 = 4143^2 + 6314^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57031045 - 2¹⁹ = 56506757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57031049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40944 + ... + 42313.

It is an arithmetic number, because the mean of its divisors is an integer number (8617203).

Almost surely, 2^57031045 is an apocalyptic number.

It is an amenable number.

57031045 is a deficient number, since it is larger than the sum of its proper divisors (11906579).

57031045 is a wasteful number, since it uses less digits than its factorization.

57031045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83399.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 57031045 is about 7551.8901607478. The cubic root of 57031045 is about 384.9199698723.

The spelling of 57031045 in words is "fifty-seven million, thirty-one thousand, forty-five".