53537797 has 2 divisors, whose sum is σ = 53537798. Its totient is φ = 53537796.

The previous prime is 53537789. The next prime is 53537807. The reversal of 53537797 is 79773535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47141956 + 6395841 = 6866^2 + 2529^2 .

It is a cyclic number.

It is not a de Polignac number, because 53537797 - 2³ = 53537789 is a prime.

It is a super-2 number, since 2×53537797² = 5732591415226418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53537597) 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, 26768898 + 26768899.

It is an arithmetic number, because the mean of its divisors is an integer number (26768899).

Almost surely, 2^53537797 is an apocalyptic number.

It is an amenable number.

53537797 is a deficient number, since it is larger than the sum of its proper divisors (1).

53537797 is an equidigital number, since it uses as much as digits as its factorization.

53537797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 694575, while the sum is 46.

The square root of 53537797 is about 7316.9527127077. The cubic root of 53537797 is about 376.8948173572.

The spelling of 53537797 in words is "fifty-three million, five hundred thirty-seven thousand, seven hundred ninety-seven".