52021771 has 8 divisors (see below), whose sum is σ = 53482464. Its totient is φ = 50581440.

The previous prime is 52021757. The next prime is 52021789. The reversal of 52021771 is 17712025.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52021771 - 2⁷ = 52021643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52001771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165 + ... + 10201.

It is an arithmetic number, because the mean of its divisors is an integer number (6685308).

Almost surely, 2^52021771 is an apocalyptic number.

52021771 is a deficient number, since it is larger than the sum of its proper divisors (1460693).

52021771 is a wasteful number, since it uses less digits than its factorization.

52021771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 52021771 is about 7212.6119402059. The cubic root of 52021771 is about 373.3031984782.

Adding to 52021771 its reverse (17712025), we get a palindrome (69733796).

The spelling of 52021771 in words is "fifty-two million, twenty-one thousand, seven hundred seventy-one".