57458542 has 4 divisors (see below), whose sum is σ = 86187816. Its totient is φ = 28729270.

The previous prime is 57458509. The next prime is 57458543. The reversal of 57458542 is 24585475.

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

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 = 57458495 and 57458504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57458543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14364634 + ... + 14364637.

It is an arithmetic number, because the mean of its divisors is an integer number (21546954).

Almost surely, 2^57458542 is an apocalyptic number.

57458542 is a deficient number, since it is larger than the sum of its proper divisors (28729274).

57458542 is a wasteful number, since it uses less digits than its factorization.

57458542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28729273.

The product of its digits is 224000, while the sum is 40.

The square root of 57458542 is about 7580.1412915591. The cubic root of 57458542 is about 385.8793460771.

It can be divided in two parts, 5 and 7458542, that added together give a palindrome (7458547).

The spelling of 57458542 in words is "fifty-seven million, four hundred fifty-eight thousand, five hundred forty-two".