42556053 has 8 divisors (see below), whose sum is σ = 56847328. Its totient is φ = 28317744.

The previous prime is 42556043. The next prime is 42556061. The reversal of 42556053 is 35065524.

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

It is not a de Polignac number, because 42556053 - 2⁴ = 42556037 is a prime.

It is a super-2 number, since 2×42556053² = 3622035293877618, which contains 22 as substring.

It is the 6524-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42556053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42556043) by changing a digit.

It is a nontrivial repunit in base 6523.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11326 + ... + 14607.

It is an arithmetic number, because the mean of its divisors is an integer number (7105916).

Almost surely, 2^42556053 is an apocalyptic number.

It is an amenable number.

42556053 is a deficient number, since it is larger than the sum of its proper divisors (14291275).

42556053 is a wasteful number, since it uses less digits than its factorization.

42556053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26483.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 42556053 is about 6523.5000574845. The cubic root of 42556053 is about 349.1299560088.

The spelling of 42556053 in words is "forty-two million, five hundred fifty-six thousand, fifty-three".