52851081 has 4 divisors (see below), whose sum is σ = 70468112. Its totient is φ = 35234052.

The previous prime is 52851061. The next prime is 52851107. The reversal of 52851081 is 18015825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52851081 - 2⁵ = 52851049 is a prime.

It is a super-2 number, since 2×52851081² = 5586473525737122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52851041) 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, 8808511 + ... + 8808516.

It is an arithmetic number, because the mean of its divisors is an integer number (17617028).

Almost surely, 2^52851081 is an apocalyptic number.

It is an amenable number.

52851081 is a deficient number, since it is larger than the sum of its proper divisors (17617031).

52851081 is a wasteful number, since it uses less digits than its factorization.

52851081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17617030.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 52851081 is about 7269.8748957599. The cubic root of 52851081 is about 375.2764326211.

The spelling of 52851081 in words is "fifty-two million, eight hundred fifty-one thousand, eighty-one".