42872553 has 12 divisors (see below), whose sum is σ = 61984000. Its totient is φ = 28555416.

The previous prime is 42872513. The next prime is 42872567. The reversal of 42872553 is 35527824.

It is not a de Polignac number, because 42872553 - 2⁹ = 42872041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42872513) 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, 16800 + ... + 19182.

Almost surely, 2^42872553 is an apocalyptic number.

It is an amenable number.

42872553 is a deficient number, since it is larger than the sum of its proper divisors (19111447).

42872553 is a wasteful number, since it uses less digits than its factorization.

42872553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388 (or 4385 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 42872553 is about 6547.7135704000. The cubic root of 42872553 is about 349.9933413699.

The spelling of 42872553 in words is "forty-two million, eight hundred seventy-two thousand, five hundred fifty-three".