42550036 has 12 divisors (see below), whose sum is σ = 74602528. Its totient is φ = 21235032.

The previous prime is 42550019. The next prime is 42550051. The reversal of 42550036 is 63005524.

It is a super-3 number, since 3×42550036³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7536 + ... + 11911.

Almost surely, 2^42550036 is an apocalyptic number.

It is an amenable number.

42550036 is a deficient number, since it is larger than the sum of its proper divisors (32052492).

42550036 is a wasteful number, since it uses less digits than its factorization.

42550036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19998 (or 19996 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 42550036 is about 6523.0388623708. The cubic root of 42550036 is about 349.1135007393.

The spelling of 42550036 in words is "forty-two million, five hundred fifty thousand, thirty-six".