52643434 has 8 divisors (see below), whose sum is σ = 79137828. Its totient is φ = 26264160.

The previous prime is 52643369. The next prime is 52643449. The reversal of 52643434 is 43434625.

It can be written as a sum of positive squares in 2 ways, for example, as 44262409 + 8381025 = 6653^2 + 2895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×52643434² = 5542662286624712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52643396 and 52643405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27627 + ... + 29470.

Almost surely, 2^52643434 is an apocalyptic number.

52643434 is a deficient number, since it is larger than the sum of its proper divisors (26494394).

52643434 is a wasteful number, since it uses less digits than its factorization.

52643434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57560.

The product of its digits is 34560, while the sum is 31.

The square root of 52643434 is about 7255.5795082130. The cubic root of 52643434 is about 374.7843121152.

The spelling of 52643434 in words is "fifty-two million, six hundred forty-three thousand, four hundred thirty-four".