42554899 has 8 divisors (see below), whose sum is σ = 44681472. Its totient is φ = 40451400.

The previous prime is 42554891. The next prime is 42554903. The reversal of 42554899 is 99845524.

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

It is a cyclic number.

It is not a de Polignac number, because 42554899 - 2³ = 42554891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42554891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927 + ... + 9424.

It is an arithmetic number, because the mean of its divisors is an integer number (5585184).

Almost surely, 2^42554899 is an apocalyptic number.

42554899 is a deficient number, since it is larger than the sum of its proper divisors (2126573).

42554899 is a wasteful number, since it uses less digits than its factorization.

42554899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11537.

The product of its digits is 518400, while the sum is 46.

The square root of 42554899 is about 6523.4116074336. The cubic root of 42554899 is about 349.1268001740.

The spelling of 42554899 in words is "forty-two million, five hundred fifty-four thousand, eight hundred ninety-nine".