53780113 has 2 divisors, whose sum is σ = 53780114. Its totient is φ = 53780112.

The previous prime is 53780087. The next prime is 53780117. The reversal of 53780113 is 31108735.

53780113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50794129 + 2985984 = 7127^2 + 1728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53780113 is a prime.

It is not a weakly prime, because it can be changed into another prime (53780117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26890056 + 26890057.

It is an arithmetic number, because the mean of its divisors is an integer number (26890057).

Almost surely, 2^53780113 is an apocalyptic number.

It is an amenable number.

53780113 is a deficient number, since it is larger than the sum of its proper divisors (1).

53780113 is an equidigital number, since it uses as much as digits as its factorization.

53780113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 53780113 is about 7333.4925513019. The cubic root of 53780113 is about 377.4625795108.

Adding to 53780113 its reverse (31108735), we get a palindrome (84888848).

The spelling of 53780113 in words is "fifty-three million, seven hundred eighty thousand, one hundred thirteen".