57402448 has 20 divisors (see below), whose sum is σ = 111639060. Its totient is φ = 28592384.

The previous prime is 57402437. The next prime is 57402469. The reversal of 57402448 is 84420475.

It is a happy number.

57402448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9072144 + 48330304 = 3012^2 + 6952^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2365 + ... + 10972.

It is an arithmetic number, because the mean of its divisors is an integer number (5581953).

Almost surely, 2^57402448 is an apocalyptic number.

It is an amenable number.

57402448 is a deficient number, since it is larger than the sum of its proper divisors (54236612).

57402448 is a wasteful number, since it uses less digits than its factorization.

57402448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13614 (or 13608 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 57402448 is about 7576.4403251131. The cubic root of 57402448 is about 385.7537334010.

The spelling of 57402448 in words is "fifty-seven million, four hundred two thousand, four hundred forty-eight".