42553771 has 16 divisors (see below), whose sum is σ = 48855744. Its totient is φ = 36716544.

The previous prime is 42553739. The next prime is 42553799. The reversal of 42553771 is 17735524.

It is a cyclic number.

It is not a de Polignac number, because 42553771 - 2⁵ = 42553739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42553171) 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, 36331 + ... + 37483.

It is an arithmetic number, because the mean of its divisors is an integer number (3053484).

Almost surely, 2^42553771 is an apocalyptic number.

42553771 is a deficient number, since it is larger than the sum of its proper divisors (6301973).

42553771 is a wasteful number, since it uses less digits than its factorization.

42553771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350.

The product of its digits is 29400, while the sum is 34.

The square root of 42553771 is about 6523.3251490325. The cubic root of 42553771 is about 349.1237153862.

The spelling of 42553771 in words is "forty-two million, five hundred fifty-three thousand, seven hundred seventy-one".