42557603 has 8 divisors (see below), whose sum is σ = 46487280. Its totient is φ = 38638080.

The previous prime is 42557597. The next prime is 42557609. The reversal of 42557603 is 30675524.

It is an interprime number because it is at equal distance from previous prime (42557597) and next prime (42557609).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42557603 - 2⁶ = 42557539 is a prime.

It is a super-2 number, since 2×42557603² = 3622299146211218, which contains 22 as substring.

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 42557603.

It is not an unprimeable number, because it can be changed into a prime (42557609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8243 + ... + 12371.

It is an arithmetic number, because the mean of its divisors is an integer number (5810910).

Almost surely, 2^42557603 is an apocalyptic number.

42557603 is a deficient number, since it is larger than the sum of its proper divisors (3929677).

42557603 is a wasteful number, since it uses less digits than its factorization.

42557603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 42557603 is about 6523.6188576587. The cubic root of 42557603 is about 349.1341946918.

The spelling of 42557603 in words is "forty-two million, five hundred fifty-seven thousand, six hundred three".