52421042 has 16 divisors (see below), whose sum is σ = 82428192. Its totient is φ = 24974880.

The previous prime is 52421029. The next prime is 52421053. The reversal of 52421042 is 24012425.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3908 + ... + 10959.

It is an arithmetic number, because the mean of its divisors is an integer number (5151762).

Almost surely, 2^52421042 is an apocalyptic number.

52421042 is a deficient number, since it is larger than the sum of its proper divisors (30007150).

52421042 is a wasteful number, since it uses less digits than its factorization.

52421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14953.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 52421042 is about 7240.2377032802. The cubic root of 52421042 is about 374.2558088632.

Adding to 52421042 its reverse (24012425), we get a palindrome (76433467).

The spelling of 52421042 in words is "fifty-two million, four hundred twenty-one thousand, forty-two".