52121452 has 6 divisors (see below), whose sum is σ = 91212548. Its totient is φ = 26060724.

The previous prime is 52121441. The next prime is 52121467. The reversal of 52121452 is 25412125.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515178 + ... + 6515185.

Almost surely, 2^52121452 is an apocalyptic number.

It is an amenable number.

52121452 is a deficient number, since it is larger than the sum of its proper divisors (39091096).

52121452 is a wasteful number, since it uses less digits than its factorization.

52121452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030367 (or 13030365 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 52121452 is about 7219.5188205309. The cubic root of 52121452 is about 373.5414800884.

Adding to 52121452 its reverse (25412125), we get a palindrome (77533577).

The spelling of 52121452 in words is "fifty-two million, one hundred twenty-one thousand, four hundred fifty-two".