42255054 has 16 divisors (see below), whose sum is σ = 93900240. Its totient is φ = 14085000.

The previous prime is 42255053. The next prime is 42255079. The reversal of 42255054 is 45055224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42255053) by changing a digit.

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, 391197 + ... + 391304.

It is an arithmetic number, because the mean of its divisors is an integer number (5868765).

Almost surely, 2^42255054 is an apocalyptic number.

42255054 is an abundant number, since it is smaller than the sum of its proper divisors (51645186).

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

42255054 is a wasteful number, since it uses less digits than its factorization.

42255054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782512 (or 782506 counting only the distinct ones).

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

The square root of 42255054 is about 6500.3887576052. The cubic root of 42255054 is about 348.3048755142.

The spelling of 42255054 in words is "forty-two million, two hundred fifty-five thousand, fifty-four".