52120442 has 16 divisors (see below), whose sum is σ = 85601664. Its totient is φ = 23604000.

The previous prime is 52120433. The next prime is 52120451. The reversal of 52120442 is 24402125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52120433) and next prime (52120451).

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, 1967 + ... + 10397.

It is an arithmetic number, because the mean of its divisors is an integer number (5350104).

Almost surely, 2^52120442 is an apocalyptic number.

52120442 is a deficient number, since it is larger than the sum of its proper divisors (33481222).

52120442 is a wasteful number, since it uses less digits than its factorization.

52120442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8725.

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

The square root of 52120442 is about 7219.4488709319. The cubic root of 52120442 is about 373.5390672666.

Adding to 52120442 its reverse (24402125), we get a palindrome (76522567).

The spelling of 52120442 in words is "fifty-two million, one hundred twenty thousand, four hundred forty-two".