42089554 has 8 divisors (see below), whose sum is σ = 67990860. Its totient is φ = 19425936.

The previous prime is 42089533. The next prime is 42089557. The reversal of 42089554 is 45598024.

It can be written as a sum of positive squares in 2 ways, for example, as 41306329 + 783225 = 6427^2 + 885^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42089557) 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, 809389 + ... + 809440.

Almost surely, 2^42089554 is an apocalyptic number.

42089554 is a deficient number, since it is larger than the sum of its proper divisors (25901306).

42089554 is a wasteful number, since it uses less digits than its factorization.

42089554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618844.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 42089554 is about 6487.6462603937. The cubic root of 42089554 is about 347.8495463158.

The spelling of 42089554 in words is "forty-two million, eighty-nine thousand, five hundred fifty-four".