53801009 has 2 divisors, whose sum is σ = 53801010. Its totient is φ = 53801008.

The previous prime is 53800987. The next prime is 53801057. The reversal of 53801009 is 90010835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36966400 + 16834609 = 6080^2 + 4103^2 .

It is a cyclic number.

It is not a de Polignac number, because 53801009 - 2²⁰ = 52752433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53801509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26900504 + 26900505.

It is an arithmetic number, because the mean of its divisors is an integer number (26900505).

Almost surely, 2^53801009 is an apocalyptic number.

It is an amenable number.

53801009 is a deficient number, since it is larger than the sum of its proper divisors (1).

53801009 is an equidigital number, since it uses as much as digits as its factorization.

53801009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 53801009 is about 7334.9171092794. The cubic root of 53801009 is about 377.5114602605.

The spelling of 53801009 in words is "fifty-three million, eight hundred one thousand, nine".