42553203 has 32 divisors (see below), whose sum is σ = 72479232. Its totient is φ = 21561600.

The previous prime is 42553183. The next prime is 42553207. The reversal of 42553203 is 30235524.

It is not a de Polignac number, because 42553203 - 2⁵ = 42553171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42553207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7225 + ... + 11717.

It is an arithmetic number, because the mean of its divisors is an integer number (2264976).

Almost surely, 2^42553203 is an apocalyptic number.

42553203 is a deficient number, since it is larger than the sum of its proper divisors (29926029).

42553203 is a wasteful number, since it uses less digits than its factorization.

42553203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 42553203 is about 6523.2816128081. The cubic root of 42553203 is about 349.1221620326.

Adding to 42553203 its reverse (30235524), we get a palindrome (72788727).

It can be divided in two parts, 425 and 53203, that added together give a triangular number (53628 = T₃₂₇).

The spelling of 42553203 in words is "forty-two million, five hundred fifty-three thousand, two hundred three".