42255537 has 4 divisors (see below), whose sum is σ = 56340720. Its totient is φ = 28170356.

The previous prime is 42255527. The next prime is 42255547. The reversal of 42255537 is 73555224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (42255527) and next prime (42255547).

It is a cyclic number.

It is not a de Polignac number, because 42255537 - 2¹¹ = 42253489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42255498 and 42255507.

It is not an unprimeable number, because it can be changed into a prime (42255527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7042587 + ... + 7042592.

It is an arithmetic number, because the mean of its divisors is an integer number (14085180).

Almost surely, 2^42255537 is an apocalyptic number.

It is an amenable number.

42255537 is a deficient number, since it is larger than the sum of its proper divisors (14085183).

42255537 is a wasteful number, since it uses less digits than its factorization.

42255537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14085182.

The product of its digits is 42000, while the sum is 33.

The square root of 42255537 is about 6500.4259091232. The cubic root of 42255537 is about 348.3062026187.

The spelling of 42255537 in words is "forty-two million, two hundred fifty-five thousand, five hundred thirty-seven".