52404643 has 2 divisors, whose sum is σ = 52404644. Its totient is φ = 52404642.

The previous prime is 52404637. The next prime is 52404661. The reversal of 52404643 is 34640425.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52404643 is a prime.

It is equal to p_3136582 and since 52404643 and 3136582 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52414643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26202321 + 26202322.

It is an arithmetic number, because the mean of its divisors is an integer number (26202322).

Almost surely, 2^52404643 is an apocalyptic number.

52404643 is a deficient number, since it is larger than the sum of its proper divisors (1).

52404643 is an equidigital number, since it uses as much as digits as its factorization.

52404643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 52404643 is about 7239.1051242540. The cubic root of 52404643 is about 374.2167783461.

The spelling of 52404643 in words is "fifty-two million, four hundred four thousand, six hundred forty-three".