57504946 has 4 divisors (see below), whose sum is σ = 86257422. Its totient is φ = 28752472.

The previous prime is 57504913. The next prime is 57504949. The reversal of 57504946 is 64940575.

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

It can be written as a sum of positive squares in only one way, i.e., 51279921 + 6225025 = 7161^2 + 2495^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 57504899 and 57504908.

It is not an unprimeable number, because it can be changed into a prime (57504949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14376235 + ... + 14376238.

Almost surely, 2^57504946 is an apocalyptic number.

57504946 is a deficient number, since it is larger than the sum of its proper divisors (28752476).

57504946 is a wasteful number, since it uses less digits than its factorization.

57504946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28752475.

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

The square root of 57504946 is about 7583.2015666208. The cubic root of 57504946 is about 385.9831979227.

The spelling of 57504946 in words is "fifty-seven million, five hundred four thousand, nine hundred forty-six".