57282445 has 16 divisors (see below), whose sum is σ = 76049280. Its totient is φ = 41070400.

The previous prime is 57282431. The next prime is 57282457. The reversal of 57282445 is 54428275.

It is a happy number.

It is not a de Polignac number, because 57282445 - 2¹¹ = 57280397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3430 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (4753080).

Almost surely, 2^57282445 is an apocalyptic number.

57282445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57282445 is a deficient number, since it is larger than the sum of its proper divisors (18766835).

57282445 is a wasteful number, since it uses less digits than its factorization.

57282445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14756.

The product of its digits is 89600, while the sum is 37.

The square root of 57282445 is about 7568.5166974778. The cubic root of 57282445 is about 385.4847326714.

The spelling of 57282445 in words is "fifty-seven million, two hundred eighty-two thousand, four hundred forty-five".