57444500 has 24 divisors (see below), whose sum is σ = 125459880. Its totient is φ = 22977600.

The previous prime is 57444487. The next prime is 57444529. The reversal of 57444500 is 544475.

It can be written as a sum of positive squares in 4 ways, for example, as 1882384 + 55562116 = 1372^2 + 7454^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56945 + ... + 57944.

It is an arithmetic number, because the mean of its divisors is an integer number (5227495).

Almost surely, 2^57444500 is an apocalyptic number.

57444500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57444500 is an abundant number, since it is smaller than the sum of its proper divisors (68015380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57444500 is a wasteful number, since it uses less digits than its factorization.

57444500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114908 (or 114896 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 57444500 is about 7579.2149989296. The cubic root of 57444500 is about 385.8479091544.

Adding to 57444500 its reverse (544475), we get a palindrome (57988975).

The spelling of 57444500 in words is "fifty-seven million, four hundred forty-four thousand, five hundred".