52071047 has 4 divisors (see below), whose sum is σ = 59509776. Its totient is φ = 44632320.

The previous prime is 52071029. The next prime is 52071067. The reversal of 52071047 is 74017025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52071047 - 2¹⁰ = 52070023 is a prime.

It is a super-2 number, since 2×52071047² = 5422787871352418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52071007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3719354 + ... + 3719367.

It is an arithmetic number, because the mean of its divisors is an integer number (14877444).

Almost surely, 2^52071047 is an apocalyptic number.

52071047 is a deficient number, since it is larger than the sum of its proper divisors (7438729).

52071047 is an equidigital number, since it uses as much as digits as its factorization.

52071047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7438728.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 52071047 is about 7216.0270925212. The cubic root of 52071047 is about 373.4210278864.

The spelling of 52071047 in words is "fifty-two million, seventy-one thousand, forty-seven".