57630445 has 4 divisors (see below), whose sum is σ = 69156540. Its totient is φ = 46104352.

The previous prime is 57630409. The next prime is 57630467. The reversal of 57630445 is 54403675.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45995524 + 11634921 = 6782^2 + 3411^2 .

It is a cyclic number.

It is not a de Polignac number, because 57630445 - 2⁷ = 57630317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57630445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5763040 + ... + 5763049.

It is an arithmetic number, because the mean of its divisors is an integer number (17289135).

Almost surely, 2^57630445 is an apocalyptic number.

It is an amenable number.

57630445 is a deficient number, since it is larger than the sum of its proper divisors (11526095).

57630445 is a wasteful number, since it uses less digits than its factorization.

57630445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11526094.

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

The square root of 57630445 is about 7591.4718599228. The cubic root of 57630445 is about 386.2637842750.

The spelling of 57630445 in words is "fifty-seven million, six hundred thirty thousand, four hundred forty-five".