53361493 has 2 divisors, whose sum is σ = 53361494. Its totient is φ = 53361492.

The previous prime is 53361461. The next prime is 53361499. The reversal of 53361493 is 39416335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29615364 + 23746129 = 5442^2 + 4873^2 .

It is a cyclic number.

It is not a de Polignac number, because 53361493 - 2⁵ = 53361461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53361499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26680746 + 26680747.

It is an arithmetic number, because the mean of its divisors is an integer number (26680747).

Almost surely, 2^53361493 is an apocalyptic number.

It is an amenable number.

53361493 is a deficient number, since it is larger than the sum of its proper divisors (1).

53361493 is an equidigital number, since it uses as much as digits as its factorization.

53361493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 34.

The square root of 53361493 is about 7304.8951395622. The cubic root of 53361493 is about 376.4806480485.

It can be divided in two parts, 533 and 61493, that added together give a palindrome (62026).

The spelling of 53361493 in words is "fifty-three million, three hundred sixty-one thousand, four hundred ninety-three".