42755098 has 4 divisors (see below), whose sum is σ = 64132650. Its totient is φ = 21377548.

The previous prime is 42755093. The next prime is 42755113. The reversal of 42755098 is 89055724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34304449 + 8450649 = 5857^2 + 2907^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 42755098.

It is not an unprimeable number, because it can be changed into a prime (42755093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10688773 + ... + 10688776.

Almost surely, 2^42755098 is an apocalyptic number.

42755098 is a deficient number, since it is larger than the sum of its proper divisors (21377552).

42755098 is a wasteful number, since it uses less digits than its factorization.

42755098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21377551.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 42755098 is about 6538.7382574928. The cubic root of 42755098 is about 349.6734314434.

The spelling of 42755098 in words is "forty-two million, seven hundred fifty-five thousand, ninety-eight".