57504742 has 4 divisors (see below), whose sum is σ = 86257116. Its totient is φ = 28752370.

The previous prime is 57504737. The next prime is 57504743. The reversal of 57504742 is 24740575.

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

It is a junction number, because it is equal to n+sod(n) for n = 57504698 and 57504707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57504743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14376184 + ... + 14376187.

It is an arithmetic number, because the mean of its divisors is an integer number (21564279).

Almost surely, 2^57504742 is an apocalyptic number.

57504742 is a deficient number, since it is larger than the sum of its proper divisors (28752374).

57504742 is a wasteful number, since it uses less digits than its factorization.

57504742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28752373.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 57504742 is about 7583.1881158257. The cubic root of 57504742 is about 385.9827414944.

The spelling of 57504742 in words is "fifty-seven million, five hundred four thousand, seven hundred forty-two".