42955546 has 8 divisors (see below), whose sum is σ = 65649204. Its totient is φ = 21072480.

The previous prime is 42955537. The next prime is 42955547. The reversal of 42955546 is 64555924.

It can be written as a sum of positive squares in 2 ways, for example, as 39551521 + 3404025 = 6289^2 + 1845^2 .

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

It is a super-3 number, since 3×42955546³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42955499 and 42955508.

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, 202515 + ... + 202726.

Almost surely, 2^42955546 is an apocalyptic number.

42955546 is a deficient number, since it is larger than the sum of its proper divisors (22693658).

42955546 is a wasteful number, since it uses less digits than its factorization.

42955546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405296.

The product of its digits is 216000, while the sum is 40.

The square root of 42955546 is about 6554.0480620758. The cubic root of 42955546 is about 350.2190356844.

The spelling of 42955546 in words is "forty-two million, nine hundred fifty-five thousand, five hundred forty-six".