42454552 has 32 divisors (see below), whose sum is σ = 91792800. Its totient is φ = 18031104.

The previous prime is 42454549. The next prime is 42454553. The reversal of 42454552 is 25545424.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2974 + ... + 9682.

It is an arithmetic number, because the mean of its divisors is an integer number (2868525).

Almost surely, 2^42454552 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 42454552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45896400).

42454552 is an abundant number, since it is smaller than the sum of its proper divisors (49338248).

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

42454552 is a wasteful number, since it uses less digits than its factorization.

42454552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6835 (or 6831 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 42454552 is about 6515.7157703509. The cubic root of 42454552 is about 348.8521635575.

Adding to 42454552 its reverse (25545424), we get a palindrome (67999976).

The spelling of 42454552 in words is "forty-two million, four hundred fifty-four thousand, five hundred fifty-two".