53450753 has 2 divisors, whose sum is σ = 53450754. Its totient is φ = 53450752.

The previous prime is 53450713. The next prime is 53450759. The reversal of 53450753 is 35705435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35617024 + 17833729 = 5968^2 + 4223^2 .

It is a cyclic number.

It is not a de Polignac number, because 53450753 - 2⁸ = 53450497 is a prime.

It is a super-3 number, since 3×53450753³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (53450759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26725376 + 26725377.

It is an arithmetic number, because the mean of its divisors is an integer number (26725377).

Almost surely, 2^53450753 is an apocalyptic number.

It is an amenable number.

53450753 is a deficient number, since it is larger than the sum of its proper divisors (1).

53450753 is an equidigital number, since it uses as much as digits as its factorization.

53450753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 53450753 is about 7311.0021884828. The cubic root of 53450753 is about 376.6904494168.

Subtracting from 53450753 its sum of digits (32), we obtain a square (53450721 = 7311²).

The spelling of 53450753 in words is "fifty-three million, four hundred fifty thousand, seven hundred fifty-three".