53344477 has 2 divisors, whose sum is σ = 53344478. Its totient is φ = 53344476.

The previous prime is 53344469. The next prime is 53344481. The reversal of 53344477 is 77444335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27730756 + 25613721 = 5266^2 + 5061^2 .

It is a cyclic number.

It is not a de Polignac number, because 53344477 - 2³ = 53344469 is a prime.

It is a Chen prime.

It is equal to p_3189484 and since 53344477 and 3189484 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53344177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26672238 + 26672239.

It is an arithmetic number, because the mean of its divisors is an integer number (26672239).

Almost surely, 2^53344477 is an apocalyptic number.

It is an amenable number.

53344477 is a deficient number, since it is larger than the sum of its proper divisors (1).

53344477 is an equidigital number, since it uses as much as digits as its factorization.

53344477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 37.

The square root of 53344477 is about 7303.7303482536. The cubic root of 53344477 is about 376.4406262063.

The spelling of 53344477 in words is "fifty-three million, three hundred forty-four thousand, four hundred seventy-seven".