42210054 has 24 divisors (see below), whose sum is σ = 91575432. Its totient is φ = 14051520.

The previous prime is 42210053. The next prime is 42210059. The reversal of 42210054 is 45001224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210053) 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, 23637 + ... + 25359.

It is an arithmetic number, because the mean of its divisors is an integer number (3815643).

Almost surely, 2^42210054 is an apocalyptic number.

42210054 is an abundant number, since it is smaller than the sum of its proper divisors (49365378).

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

42210054 is a wasteful number, since it uses less digits than its factorization.

42210054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3089 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 42210054 is about 6496.9265041249. The cubic root of 42210054 is about 348.1811878510.

Adding to 42210054 its reverse (45001224), we get a palindrome (87211278).

The spelling of 42210054 in words is "forty-two million, two hundred ten thousand, fifty-four".