42454550 has 96 divisors (see below), whose sum is σ = 91065600. Its totient is φ = 14636160.

The previous prime is 42454549. The next prime is 42454553. The reversal of 42454550 is 5545424.

42454550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42454553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 633617 + ... + 633683.

It is an arithmetic number, because the mean of its divisors is an integer number (948600).

Almost surely, 2^42454550 is an apocalyptic number.

42454550 is an abundant number, since it is smaller than the sum of its proper divisors (48611050).

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

42454550 is a wasteful number, since it uses less digits than its factorization.

42454550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 42454550 is about 6515.7156168759. The cubic root of 42454550 is about 348.8521580795.

Adding to 42454550 its reverse (5545424), we get a palindrome (47999974).

The spelling of 42454550 in words is "forty-two million, four hundred fifty-four thousand, five hundred fifty".