52377643 has 2 divisors, whose sum is σ = 52377644. Its totient is φ = 52377642.

The previous prime is 52377641. The next prime is 52377649. The reversal of 52377643 is 34677325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52377643 - 2¹ = 52377641 is a prime.

Together with 52377641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52377641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26188821 + 26188822.

It is an arithmetic number, because the mean of its divisors is an integer number (26188822).

Almost surely, 2^52377643 is an apocalyptic number.

52377643 is a deficient number, since it is larger than the sum of its proper divisors (1).

52377643 is an equidigital number, since it uses as much as digits as its factorization.

52377643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 37.

The square root of 52377643 is about 7237.2400126015. The cubic root of 52377643 is about 374.1524991260.

It can be divided in two parts, 5237 and 7643, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 52377643 in words is "fifty-two million, three hundred seventy-seven thousand, six hundred forty-three".