52047434 has 4 divisors (see below), whose sum is σ = 78071154. Its totient is φ = 26023716.

The previous prime is 52047407. The next prime is 52047449. The reversal of 52047434 is 43474025.

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., 36421225 + 15626209 = 6035^2 + 3953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52047397 and 52047406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13011857 + ... + 13011860.

Almost surely, 2^52047434 is an apocalyptic number.

52047434 is a deficient number, since it is larger than the sum of its proper divisors (26023720).

52047434 is a wasteful number, since it uses less digits than its factorization.

52047434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26023719.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 52047434 is about 7214.3907573682. The cubic root of 52047434 is about 373.3645734558.

The spelling of 52047434 in words is "fifty-two million, forty-seven thousand, four hundred thirty-four".