52404403 has 2 divisors, whose sum is σ = 52404404. Its totient is φ = 52404402.

The previous prime is 52404383. The next prime is 52404409. The reversal of 52404403 is 30440425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52404403 - 2⁵ = 52404371 is a prime.

It is not a weakly prime, because it can be changed into another prime (52404409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26202201 + 26202202.

It is an arithmetic number, because the mean of its divisors is an integer number (26202202).

Almost surely, 2^52404403 is an apocalyptic number.

52404403 is a deficient number, since it is larger than the sum of its proper divisors (1).

52404403 is an equidigital number, since it uses as much as digits as its factorization.

52404403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 52404403 is about 7239.0885476005. The cubic root of 52404403 is about 374.2162070726.

Adding to 52404403 its reverse (30440425), we get a palindrome (82844828).

The spelling of 52404403 in words is "fifty-two million, four hundred four thousand, four hundred three".