53277149 has 2 divisors, whose sum is σ = 53277150. Its totient is φ = 53277148.

The previous prime is 53277143. The next prime is 53277209. The reversal of 53277149 is 94177235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41512249 + 11764900 = 6443^2 + 3430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53277149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53277143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26638574 + 26638575.

It is an arithmetic number, because the mean of its divisors is an integer number (26638575).

Almost surely, 2^53277149 is an apocalyptic number.

It is an amenable number.

53277149 is a deficient number, since it is larger than the sum of its proper divisors (1).

53277149 is an equidigital number, since it uses as much as digits as its factorization.

53277149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 53277149 is about 7299.1197414483. The cubic root of 53277149 is about 376.2821864056.

The spelling of 53277149 in words is "fifty-three million, two hundred seventy-seven thousand, one hundred forty-nine".