53768731 has 2 divisors, whose sum is σ = 53768732. Its totient is φ = 53768730.

The previous prime is 53768717. The next prime is 53768777. The reversal of 53768731 is 13786735.

53768731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53768731 - 2⁵ = 53768699 is a prime.

It is a super-2 number, since 2×53768731² = 5782152866700722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53768431) 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, 26884365 + 26884366.

It is an arithmetic number, because the mean of its divisors is an integer number (26884366).

Almost surely, 2^53768731 is an apocalyptic number.

53768731 is a deficient number, since it is larger than the sum of its proper divisors (1).

53768731 is an equidigital number, since it uses as much as digits as its factorization.

53768731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 53768731 is about 7332.7164816322. The cubic root of 53768731 is about 377.4359489593.

The spelling of 53768731 in words is "fifty-three million, seven hundred sixty-eight thousand, seven hundred thirty-one".