42450052 has 12 divisors (see below), whose sum is σ = 74462976. Its totient is φ = 21174920.

The previous prime is 42450049. The next prime is 42450059. The reversal of 42450052 is 25005424.

It is not an unprimeable number, because it can be changed into a prime (42450059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10588 + ... + 14035.

It is an arithmetic number, because the mean of its divisors is an integer number (6205248).

Almost surely, 2^42450052 is an apocalyptic number.

It is an amenable number.

42450052 is a deficient number, since it is larger than the sum of its proper divisors (32012924).

42450052 is a wasteful number, since it uses less digits than its factorization.

42450052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25058 (or 25056 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 42450052 is about 6515.3704422696. The cubic root of 42450052 is about 348.8398375121.

Adding to 42450052 its reverse (25005424), we get a palindrome (67455476).

The spelling of 42450052 in words is "forty-two million, four hundred fifty thousand, fifty-two".