53803591 has 2 divisors, whose sum is σ = 53803592. Its totient is φ = 53803590.

The previous prime is 53803583. The next prime is 53803619. The reversal of 53803591 is 19530835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53803591 - 2³ = 53803583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53803511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26901795 + 26901796.

It is an arithmetic number, because the mean of its divisors is an integer number (26901796).

Almost surely, 2^53803591 is an apocalyptic number.

53803591 is a deficient number, since it is larger than the sum of its proper divisors (1).

53803591 is an equidigital number, since it uses as much as digits as its factorization.

53803591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 53803591 is about 7335.0931146101. The cubic root of 53803591 is about 377.5174992984.

The spelling of 53803591 in words is "fifty-three million, eight hundred three thousand, five hundred ninety-one".