42553724 has 12 divisors (see below), whose sum is σ = 75207048. Its totient is φ = 21066000.

The previous prime is 42553699. The next prime is 42553733. The reversal of 42553724 is 42735524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52262 + ... + 53069.

It is an arithmetic number, because the mean of its divisors is an integer number (6267254).

Almost surely, 2^42553724 is an apocalyptic number.

It is an amenable number.

42553724 is a deficient number, since it is larger than the sum of its proper divisors (32653324).

42553724 is a wasteful number, since it uses less digits than its factorization.

42553724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105436 (or 105434 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 42553724 is about 6523.3215465743. The cubic root of 42553724 is about 349.1235868522.

The spelling of 42553724 in words is "forty-two million, five hundred fifty-three thousand, seven hundred twenty-four".