42955541 has 4 divisors (see below), whose sum is σ = 43008684. Its totient is φ = 42902400.

The previous prime is 42955537. The next prime is 42955547. The reversal of 42955541 is 14555924.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 31080625 = 3446^2 + 5575^2 .

It is a cyclic number.

It is not a de Polignac number, because 42955541 - 2² = 42955537 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 (42955547) 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, 25340 + ... + 26981.

It is an arithmetic number, because the mean of its divisors is an integer number (10752171).

Almost surely, 2^42955541 is an apocalyptic number.

It is an amenable number.

42955541 is a deficient number, since it is larger than the sum of its proper divisors (53143).

42955541 is an equidigital number, since it uses as much as digits as its factorization.

42955541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53142.

The product of its digits is 36000, while the sum is 35.

The square root of 42955541 is about 6554.0476806322. The cubic root of 42955541 is about 350.2190220960.

The spelling of 42955541 in words is "forty-two million, nine hundred fifty-five thousand, five hundred forty-one".