42055164 has 36 divisors (see below), whose sum is σ = 107094624. Its totient is φ = 13914432.

The previous prime is 42055147. The next prime is 42055183. The reversal of 42055164 is 46155024.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669 + ... + 9195.

Almost surely, 2^42055164 is an apocalyptic number.

It is an amenable number.

42055164 is an abundant number, since it is smaller than the sum of its proper divisors (65039460).

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

42055164 is a wasteful number, since it uses less digits than its factorization.

42055164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8674 (or 8669 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 42055164 is about 6484.9952968372. The cubic root of 42055164 is about 347.7547816667.

The spelling of 42055164 in words is "forty-two million, fifty-five thousand, one hundred sixty-four".