52783789 has 2 divisors, whose sum is σ = 52783790. Its totient is φ = 52783788.

The previous prime is 52783693. The next prime is 52783823. The reversal of 52783789 is 98738725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52490025 + 293764 = 7245^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 52783789 - 2¹⁵ = 52751021 is a prime.

It is a super-2 number, since 2×52783789² = 5572256762393042, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52780789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26391894 + 26391895.

It is an arithmetic number, because the mean of its divisors is an integer number (26391895).

Almost surely, 2^52783789 is an apocalyptic number.

It is an amenable number.

52783789 is a deficient number, since it is larger than the sum of its proper divisors (1).

52783789 is an equidigital number, since it uses as much as digits as its factorization.

52783789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The square root of 52783789 is about 7265.2452814754. The cubic root of 52783789 is about 375.1170929157.

The spelling of 52783789 in words is "fifty-two million, seven hundred eighty-three thousand, seven hundred eighty-nine".