53880061 has 2 divisors, whose sum is σ = 53880062. Its totient is φ = 53880060.

The previous prime is 53880049. The next prime is 53880097. The reversal of 53880061 is 16008835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27931225 + 25948836 = 5285^2 + 5094^2 .

It is a cyclic number.

It is not a de Polignac number, because 53880061 - 2⁹ = 53879549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53880011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26940030 + 26940031.

It is an arithmetic number, because the mean of its divisors is an integer number (26940031).

Almost surely, 2^53880061 is an apocalyptic number.

It is an amenable number.

53880061 is a deficient number, since it is larger than the sum of its proper divisors (1).

53880061 is an equidigital number, since it uses as much as digits as its factorization.

53880061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 53880061 is about 7340.3038765435. The cubic root of 53880061 is about 377.6962673977.

Adding to 53880061 its reverse (16008835), we get a palindrome (69888896).

The spelling of 53880061 in words is "fifty-three million, eight hundred eighty thousand, sixty-one".