53487937 has 2 divisors, whose sum is σ = 53487938. Its totient is φ = 53487936.

The previous prime is 53487923. The next prime is 53487953. The reversal of 53487937 is 73978435.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32364721 + 21123216 = 5689^2 + 4596^2 .

It is a cyclic number.

It is not a de Polignac number, because 53487937 - 2¹⁵ = 53455169 is a prime.

It is not a weakly prime, because it can be changed into another prime (53487997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26743968 + 26743969.

It is an arithmetic number, because the mean of its divisors is an integer number (26743969).

Almost surely, 2^53487937 is an apocalyptic number.

It is an amenable number.

53487937 is a deficient number, since it is larger than the sum of its proper divisors (1).

53487937 is an equidigital number, since it uses as much as digits as its factorization.

53487937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 53487937 is about 7313.5447629723. The cubic root of 53487937 is about 376.7777797168. Note that the first 5 decimals are identical.

The spelling of 53487937 in words is "fifty-three million, four hundred eighty-seven thousand, nine hundred thirty-seven".