42666054 has 16 divisors (see below), whose sum is σ = 85520448. Its totient is φ = 14190632.

The previous prime is 42666053. The next prime is 42666059. The reversal of 42666054 is 45066624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42666053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4812 + ... + 10415.

It is an arithmetic number, because the mean of its divisors is an integer number (5345028).

Almost surely, 2^42666054 is an apocalyptic number.

42666054 is an abundant number, since it is smaller than the sum of its proper divisors (42854394).

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

42666054 is a wasteful number, since it uses less digits than its factorization.

42666054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15699.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 42666054 is about 6531.9257497311. The cubic root of 42666054 is about 349.4305133439.

The spelling of 42666054 in words is "forty-two million, six hundred sixty-six thousand, fifty-four".