42554163 has 16 divisors (see below), whose sum is σ = 60215040. Its totient is φ = 26673504.

The previous prime is 42554159. The next prime is 42554173. The reversal of 42554163 is 36145524.

It is not a de Polignac number, because 42554163 - 2² = 42554159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42554163.

It is not an unprimeable number, because it can be changed into a prime (42554123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (3763440).

Almost surely, 2^42554163 is an apocalyptic number.

42554163 is a deficient number, since it is larger than the sum of its proper divisors (17660877).

42554163 is a wasteful number, since it uses less digits than its factorization.

42554163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538.

The product of its digits is 14400, while the sum is 30.

The square root of 42554163 is about 6523.3551949898. The cubic root of 42554163 is about 349.1247874108.

Adding to 42554163 its reverse (36145524), we get a palindrome (78699687).

The spelling of 42554163 in words is "forty-two million, five hundred fifty-four thousand, one hundred sixty-three".