57612225 has 24 divisors (see below), whose sum is σ = 103912992. Its totient is φ = 27932800.

The previous prime is 57612223. The next prime is 57612227. The reversal of 57612225 is 52221675.

It is an interprime number because it is at equal distance from previous prime (57612223) and next prime (57612227).

It is not a de Polignac number, because 57612225 - 2¹ = 57612223 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57612192 and 57612201.

It is not an unprimeable number, because it can be changed into a prime (57612221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34092 + ... + 35741.

It is an arithmetic number, because the mean of its divisors is an integer number (4329708).

Almost surely, 2^57612225 is an apocalyptic number.

57612225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57612225 is a deficient number, since it is larger than the sum of its proper divisors (46300767).

57612225 is a wasteful number, since it uses less digits than its factorization.

57612225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69857 (or 69852 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 57612225 is about 7590.2717342662. The cubic root of 57612225 is about 386.2230739182.

The spelling of 57612225 in words is "fifty-seven million, six hundred twelve thousand, two hundred twenty-five".