53953793 has 2 divisors, whose sum is σ = 53953794. Its totient is φ = 53953792.

The previous prime is 53953741. The next prime is 53953799. The reversal of 53953793 is 39735935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52823824 + 1129969 = 7268^2 + 1063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53953793 is a prime.

It is a super-2 number, since 2×53953793² = 5822023558173698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53953799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26976896 + 26976897.

It is an arithmetic number, because the mean of its divisors is an integer number (26976897).

Almost surely, 2^53953793 is an apocalyptic number.

It is an amenable number.

53953793 is a deficient number, since it is larger than the sum of its proper divisors (1).

53953793 is an equidigital number, since it uses as much as digits as its factorization.

53953793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 382725, while the sum is 44.

The square root of 53953793 is about 7345.3245673694. The cubic root of 53953793 is about 377.8684746258.

The spelling of 53953793 in words is "fifty-three million, nine hundred fifty-three thousand, seven hundred ninety-three".