57250445 has 8 divisors (see below), whose sum is σ = 78514944. Its totient is φ = 39257424.

The previous prime is 57250421. The next prime is 57250451. The reversal of 57250445 is 54405275.

57250445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57250445 - 2⁸ = 57250189 is a prime.

It is a super-2 number, since 2×57250445² = 6555226905396050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 817829 + ... + 817898.

It is an arithmetic number, because the mean of its divisors is an integer number (9814368).

Almost surely, 2^57250445 is an apocalyptic number.

It is an amenable number.

57250445 is a deficient number, since it is larger than the sum of its proper divisors (21264499).

57250445 is a wasteful number, since it uses less digits than its factorization.

57250445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635739.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 57250445 is about 7566.4023815814. The cubic root of 57250445 is about 385.4129374982.

The spelling of 57250445 in words is "fifty-seven million, two hundred fifty thousand, four hundred forty-five".