57649450 has 12 divisors (see below), whose sum is σ = 107228070. Its totient is φ = 23059760.

The previous prime is 57649447. The next prime is 57649457. The reversal of 57649450 is 5494675.

It can be written as a sum of positive squares in 3 ways, for example, as 38700841 + 18948609 = 6221^2 + 4353^2 .

It is not an unprimeable number, because it can be changed into a prime (57649457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 576445 + ... + 576544.

Almost surely, 2^57649450 is an apocalyptic number.

57649450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57649450 is a deficient number, since it is larger than the sum of its proper divisors (49578620).

57649450 is a wasteful number, since it uses less digits than its factorization.

57649450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153001 (or 1152996 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 57649450 is about 7592.7234902899. The cubic root of 57649450 is about 386.3062394762.

The spelling of 57649450 in words is "fifty-seven million, six hundred forty-nine thousand, four hundred fifty".