42889554 has 32 divisors (see below), whose sum is σ = 98388480. Its totient is φ = 13834800.

The previous prime is 42889529. The next prime is 42889571. The reversal of 42889554 is 45598824.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11137 + ... + 14484.

It is an arithmetic number, because the mean of its divisors is an integer number (3074640).

Almost surely, 2^42889554 is an apocalyptic number.

42889554 is an abundant number, since it is smaller than the sum of its proper divisors (55498926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42889554 is a wasteful number, since it uses less digits than its factorization.

42889554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25663 (or 25657 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 42889554 is about 6549.0116811623. The cubic root of 42889554 is about 350.0395982409.

The spelling of 42889554 in words is "forty-two million, eight hundred eighty-nine thousand, five hundred fifty-four".