42635552 has 12 divisors (see below), whose sum is σ = 83938806. Its totient is φ = 21317760.

The previous prime is 42635519. The next prime is 42635557. The reversal of 42635552 is 25553624.

It can be written as a sum of positive squares in only one way, i.e., 27920656 + 14714896 = 5284^2 + 3836^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1332361 = 42635552 / (4 + 2 + 6 + 3 + 5 + 5 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (42635557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666149 + ... + 666212.

Almost surely, 2^42635552 is an apocalyptic number.

It is an amenable number.

42635552 is a deficient number, since it is larger than the sum of its proper divisors (41303254).

42635552 is a wasteful number, since it uses less digits than its factorization.

42635552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332371 (or 1332363 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 42635552 is about 6529.5904925194. The cubic root of 42635552 is about 349.3472240979.

The spelling of 42635552 in words is "forty-two million, six hundred thirty-five thousand, five hundred fifty-two".