52071285 has 32 divisors (see below), whose sum is σ = 95489280. Its totient is φ = 23735808.

The previous prime is 52071277. The next prime is 52071301. The reversal of 52071285 is 58217025.

It is not a de Polignac number, because 52071285 - 2³ = 52071277 is a prime.

It is a super-2 number, since 2×52071285² = 5422837443102450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63961 + ... + 64769.

It is an arithmetic number, because the mean of its divisors is an integer number (2984040).

Almost surely, 2^52071285 is an apocalyptic number.

It is an amenable number.

52071285 is a deficient number, since it is larger than the sum of its proper divisors (43417995).

52071285 is a wasteful number, since it uses less digits than its factorization.

52071285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 52071285 is about 7216.0435835713. The cubic root of 52071285 is about 373.4215968146.

The spelling of 52071285 in words is "fifty-two million, seventy-one thousand, two hundred eighty-five".