42319955 has 8 divisors (see below), whose sum is σ = 51965232. Its totient is φ = 33068448.

The previous prime is 42319951. The next prime is 42319993. The reversal of 42319955 is 55991324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42319955 - 2² = 42319951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42319951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98204 + ... + 98633.

It is an arithmetic number, because the mean of its divisors is an integer number (6495654).

Almost surely, 2^42319955 is an apocalyptic number.

42319955 is a deficient number, since it is larger than the sum of its proper divisors (9645277).

42319955 is a wasteful number, since it uses less digits than its factorization.

42319955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196885.

The product of its digits is 48600, while the sum is 38.

The square root of 42319955 is about 6505.3789282408. The cubic root of 42319955 is about 348.4831087985.

The spelling of 42319955 in words is "forty-two million, three hundred nineteen thousand, nine hundred fifty-five".