53534977 has 2 divisors, whose sum is σ = 53534978. Its totient is φ = 53534976.

The previous prime is 53534969. The next prime is 53534981. The reversal of 53534977 is 77943535.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49336576 + 4198401 = 7024^2 + 2049^2 .

It is a cyclic number.

It is not a de Polignac number, because 53534977 - 2³ = 53534969 is a prime.

It is not a weakly prime, because it can be changed into another prime (53534177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26767488 + 26767489.

It is an arithmetic number, because the mean of its divisors is an integer number (26767489).

Almost surely, 2^53534977 is an apocalyptic number.

It is an amenable number.

53534977 is a deficient number, since it is larger than the sum of its proper divisors (1).

53534977 is an equidigital number, since it uses as much as digits as its factorization.

53534977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 43.

The square root of 53534977 is about 7316.7600069976. The cubic root of 53534977 is about 376.8881998389. Note that the first 3 decimals are identical.

The spelling of 53534977 in words is "fifty-three million, five hundred thirty-four thousand, nine hundred seventy-seven".