42055452 has 36 divisors (see below), whose sum is σ = 109975320. Its totient is φ = 13534752.

The previous prime is 42055451. The next prime is 42055471. The reversal of 42055452 is 25455024.

42055452 is a `hidden beast` number, since 4 + 205 + 5 + 452 = 666.

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

It is a super-2 number, since 2×42055452² = 3537322085848608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19098 + ... + 21185.

It is an arithmetic number, because the mean of its divisors is an integer number (3054870).

Almost surely, 2^42055452 is an apocalyptic number.

It is an amenable number.

42055452 is an abundant number, since it is smaller than the sum of its proper divisors (67919868).

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

42055452 is a wasteful number, since it uses less digits than its factorization.

42055452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40322 (or 40317 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 42055452 is about 6485.0175019039. The cubic root of 42055452 is about 347.7555754904.

The spelling of 42055452 in words is "forty-two million, fifty-five thousand, four hundred fifty-two".