42355554 has 16 divisors (see below), whose sum is σ = 86514048. Its totient is φ = 13818032.

The previous prime is 42355543. The next prime is 42355561. The reversal of 42355554 is 45555324.

It is an unprimeable number.

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, 74817 + ... + 75380.

It is an arithmetic number, because the mean of its divisors is an integer number (5407128).

Almost surely, 2^42355554 is an apocalyptic number.

42355554 is an abundant number, since it is smaller than the sum of its proper divisors (44158494).

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

42355554 is a wasteful number, since it uses less digits than its factorization.

42355554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150249.

The product of its digits is 60000, while the sum is 33.

The square root of 42355554 is about 6508.1144734862. The cubic root of 42355554 is about 348.5807945776.

The spelling of 42355554 in words is "forty-two million, three hundred fifty-five thousand, five hundred fifty-four".