42253056 has 72 divisors (see below), whose sum is σ = 124970160. Its totient is φ = 14082048.

The previous prime is 42253051. The next prime is 42253063. The reversal of 42253056 is 65035224.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42253051) 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, 3856 + ... + 9968.

Almost surely, 2^42253056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42253056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62485080).

42253056 is an abundant number, since it is smaller than the sum of its proper divisors (82717104).

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

42253056 is an equidigital number, since it uses as much as digits as its factorization.

42253056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6118 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42253056 is about 6500.2350726724. The cubic root of 42253056 is about 348.2993856454.

The spelling of 42253056 in words is "forty-two million, two hundred fifty-three thousand, fifty-six".