52071535 has 8 divisors (see below), whose sum is σ = 63815616. Its totient is φ = 40770720.

The previous prime is 52071511. The next prime is 52071553. The reversal of 52071535 is 53517025.

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

It is not a de Polignac number, because 52071535 - 2⁹ = 52071023 is a prime.

It is a super-2 number, since 2×52071535² = 5422889514512450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 110556 + ... + 111025.

It is an arithmetic number, because the mean of its divisors is an integer number (7976952).

Almost surely, 2^52071535 is an apocalyptic number.

52071535 is a deficient number, since it is larger than the sum of its proper divisors (11744081).

52071535 is a wasteful number, since it uses less digits than its factorization.

52071535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221633.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 52071535 is about 7216.0609060623. The cubic root of 52071535 is about 373.4221944265.

The spelling of 52071535 in words is "fifty-two million, seventy-one thousand, five hundred thirty-five".