42655351 has 4 divisors (see below), whose sum is σ = 42693192. Its totient is φ = 42617512.

The previous prime is 42655331. The next prime is 42655369. The reversal of 42655351 is 15355624.

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

It is a cyclic number.

It is not a de Polignac number, because 42655351 - 2²⁵ = 9100919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42655331) 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, 17176 + ... + 19501.

It is an arithmetic number, because the mean of its divisors is an integer number (10673298).

Almost surely, 2^42655351 is an apocalyptic number.

42655351 is a deficient number, since it is larger than the sum of its proper divisors (37841).

42655351 is a wasteful number, since it uses less digits than its factorization.

42655351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37840.

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

The square root of 42655351 is about 6531.1064146896. The cubic root of 42655351 is about 349.4012920840.

The spelling of 42655351 in words is "forty-two million, six hundred fifty-five thousand, three hundred fifty-one".