53197733 has 2 divisors, whose sum is σ = 53197734. Its totient is φ = 53197732.

The previous prime is 53197699. The next prime is 53197813. The reversal of 53197733 is 33779135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42745444 + 10452289 = 6538^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 53197733 - 2⁸ = 53197477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53196733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26598866 + 26598867.

It is an arithmetic number, because the mean of its divisors is an integer number (26598867).

Almost surely, 2^53197733 is an apocalyptic number.

It is an amenable number.

53197733 is a deficient number, since it is larger than the sum of its proper divisors (1).

53197733 is an equidigital number, since it uses as much as digits as its factorization.

53197733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59535, while the sum is 38.

The square root of 53197733 is about 7293.6776046107. The cubic root of 53197733 is about 376.0951288086.

The spelling of 53197733 in words is "fifty-three million, one hundred ninety-seven thousand, seven hundred thirty-three".