42457053 has 4 divisors (see below), whose sum is σ = 56609408. Its totient is φ = 28304700.

The previous prime is 42457043. The next prime is 42457061. The reversal of 42457053 is 35075424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42457053 - 2¹⁴ = 42440669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42457053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42457003) 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 in 3 ways as a sum of consecutive naturals, for example, 7076173 + ... + 7076178.

It is an arithmetic number, because the mean of its divisors is an integer number (14152352).

Almost surely, 2^42457053 is an apocalyptic number.

It is an amenable number.

42457053 is a deficient number, since it is larger than the sum of its proper divisors (14152355).

42457053 is a wasteful number, since it uses less digits than its factorization.

42457053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14152354.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 42457053 is about 6515.9076881122. The cubic root of 42457053 is about 348.8590137231.

The spelling of 42457053 in words is "forty-two million, four hundred fifty-seven thousand, fifty-three".