53138677 has 2 divisors, whose sum is σ = 53138678. Its totient is φ = 53138676.

The previous prime is 53138663. The next prime is 53138693. The reversal of 53138677 is 77683135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34939921 + 18198756 = 5911^2 + 4266^2 .

It is a cyclic number.

It is not a de Polignac number, because 53138677 - 2¹⁹ = 52614389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53138077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26569338 + 26569339.

It is an arithmetic number, because the mean of its divisors is an integer number (26569339).

Almost surely, 2^53138677 is an apocalyptic number.

It is an amenable number.

53138677 is a deficient number, since it is larger than the sum of its proper divisors (1).

53138677 is an equidigital number, since it uses as much as digits as its factorization.

53138677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 53138677 is about 7289.6280426370. The cubic root of 53138677 is about 375.9559067239.

The spelling of 53138677 in words is "fifty-three million, one hundred thirty-eight thousand, six hundred seventy-seven".