52426442 has 4 divisors (see below), whose sum is σ = 78639666. Its totient is φ = 26213220.

The previous prime is 52426441. The next prime is 52426459. The reversal of 52426442 is 24462425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52113961 + 312481 = 7219^2 + 559^2 .

It is not an unprimeable number, because it can be changed into a prime (52426441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13106609 + ... + 13106612.

Almost surely, 2^52426442 is an apocalyptic number.

52426442 is a deficient number, since it is larger than the sum of its proper divisors (26213224).

52426442 is a wasteful number, since it uses less digits than its factorization.

52426442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26213223.

The product of its digits is 15360, while the sum is 29.

The square root of 52426442 is about 7240.6106096102. The cubic root of 52426442 is about 374.2686593770.

Adding to 52426442 its reverse (24462425), we get a palindrome (76888867).

The spelling of 52426442 in words is "fifty-two million, four hundred twenty-six thousand, four hundred forty-two".