42553516 has 36 divisors (see below), whose sum is σ = 79994376. Its totient is φ = 19801600.

The previous prime is 42553513. The next prime is 42553517. The reversal of 42553516 is 61535524.

Its product of digits (18000) is a multiple of the sum of its prime factors (450).

It is not an unprimeable number, because it can be changed into a prime (42553513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151296 + ... + 151576.

It is an arithmetic number, because the mean of its divisors is an integer number (2222066).

Almost surely, 2^42553516 is an apocalyptic number.

It is an amenable number.

42553516 is a deficient number, since it is larger than the sum of its proper divisors (37440860).

42553516 is a wasteful number, since it uses less digits than its factorization.

42553516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 431 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 42553516 is about 6523.3056037564. The cubic root of 42553516 is about 349.1230180196.

The spelling of 42553516 in words is "forty-two million, five hundred fifty-three thousand, five hundred sixteen".