57828625 has 8 divisors (see below), whose sum is σ = 72170280. Its totient is φ = 46262800.

The previous prime is 57828623. The next prime is 57828649. The reversal of 57828625 is 52682875.

It can be written as a sum of positive squares in 4 ways, for example, as 13512976 + 44315649 = 3676^2 + 6657^2 .

It is not a de Polignac number, because 57828625 - 2¹ = 57828623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57828623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231190 + ... + 231439.

It is an arithmetic number, because the mean of its divisors is an integer number (9021285).

Almost surely, 2^57828625 is an apocalyptic number.

It is an amenable number.

57828625 is a deficient number, since it is larger than the sum of its proper divisors (14341655).

57828625 is an equidigital number, since it uses as much as digits as its factorization.

57828625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462644 (or 462634 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 57828625 is about 7604.5134624116. The cubic root of 57828625 is about 386.7060399693.

The spelling of 57828625 in words is "fifty-seven million, eight hundred twenty-eight thousand, six hundred twenty-five".