53453537 has 2 divisors, whose sum is σ = 53453538. Its totient is φ = 53453536.

The previous prime is 53453513. The next prime is 53453539. The reversal of 53453537 is 73535435.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51251281 + 2202256 = 7159^2 + 1484^2 .

It is a cyclic number.

It is not a de Polignac number, because 53453537 - 2¹⁰ = 53452513 is a prime.

Together with 53453539, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53453497 and 53453506.

It is not a weakly prime, because it can be changed into another prime (53453539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26726768 + 26726769.

It is an arithmetic number, because the mean of its divisors is an integer number (26726769).

Almost surely, 2^53453537 is an apocalyptic number.

It is an amenable number.

53453537 is a deficient number, since it is larger than the sum of its proper divisors (1).

53453537 is an equidigital number, since it uses as much as digits as its factorization.

53453537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 35.

The square root of 53453537 is about 7311.1925839770. The cubic root of 53453537 is about 376.6969893184.

The spelling of 53453537 in words is "fifty-three million, four hundred fifty-three thousand, five hundred thirty-seven".