57225643 has 4 divisors (see below), whose sum is σ = 58772320. Its totient is φ = 55678968.

The previous prime is 57225631. The next prime is 57225653. The reversal of 57225643 is 34652275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57225643 - 2⁵ = 57225611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57225599 and 57225608.

It is not an unprimeable number, because it can be changed into a prime (57225653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773283 + ... + 773356.

It is an arithmetic number, because the mean of its divisors is an integer number (14693080).

Almost surely, 2^57225643 is an apocalyptic number.

57225643 is a deficient number, since it is larger than the sum of its proper divisors (1546677).

57225643 is a wasteful number, since it uses less digits than its factorization.

57225643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546676.

The product of its digits is 50400, while the sum is 34.

The square root of 57225643 is about 7564.7632481129. The cubic root of 57225643 is about 385.3572733464.

The spelling of 57225643 in words is "fifty-seven million, two hundred twenty-five thousand, six hundred forty-three".