57828775 has 12 divisors (see below), whose sum is σ = 72692272. Its totient is φ = 45627840.

The previous prime is 57828773. The next prime is 57828811. The reversal of 57828775 is 57782875.

It is a happy number.

It is not a de Polignac number, because 57828775 - 2¹ = 57828773 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 (57828773) 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, 14019 + ... + 17668.

Almost surely, 2^57828775 is an apocalyptic number.

57828775 is a deficient number, since it is larger than the sum of its proper divisors (14863497).

57828775 is a wasteful number, since it uses less digits than its factorization.

57828775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31770 (or 31765 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 49.

The square root of 57828775 is about 7604.5233249692. The cubic root of 57828775 is about 386.7063743242.

The spelling of 57828775 in words is "fifty-seven million, eight hundred twenty-eight thousand, seven hundred seventy-five".