53486737 has 2 divisors, whose sum is σ = 53486738. Its totient is φ = 53486736.

The previous prime is 53486731. The next prime is 53486779. The reversal of 53486737 is 73768435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 2163841 = 7164^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 53486737 - 2¹¹ = 53484689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53486693 and 53486702.

It is not a weakly prime, because it can be changed into another prime (53486731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26743368 + 26743369.

It is an arithmetic number, because the mean of its divisors is an integer number (26743369).

Almost surely, 2^53486737 is an apocalyptic number.

It is an amenable number.

53486737 is a deficient number, since it is larger than the sum of its proper divisors (1).

53486737 is an equidigital number, since it uses as much as digits as its factorization.

53486737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 43.

The square root of 53486737 is about 7313.4627229514. The cubic root of 53486737 is about 376.7749620303.

The spelling of 53486737 in words is "fifty-three million, four hundred eighty-six thousand, seven hundred thirty-seven".