42553045 has 4 divisors (see below), whose sum is σ = 51063660. Its totient is φ = 34042432.

The previous prime is 42553037. The next prime is 42553073. The reversal of 42553045 is 54035524.

42553045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24226084 + 18326961 = 4922^2 + 4281^2 .

It is a cyclic number.

It is not a de Polignac number, because 42553045 - 2³ = 42553037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4255300 + ... + 4255309.

It is an arithmetic number, because the mean of its divisors is an integer number (12765915).

Almost surely, 2^42553045 is an apocalyptic number.

It is an amenable number.

42553045 is a deficient number, since it is larger than the sum of its proper divisors (8510615).

42553045 is an equidigital number, since it uses as much as digits as its factorization.

42553045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510614.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 42553045 is about 6523.2695023278. The cubic root of 42553045 is about 349.1217299353.

Adding to 42553045 its reverse (54035524), we get a palindrome (96588569).

The spelling of 42553045 in words is "forty-two million, five hundred fifty-three thousand, forty-five".