53720419 has 2 divisors, whose sum is σ = 53720420. Its totient is φ = 53720418.

The previous prime is 53720377. The next prime is 53720437. The reversal of 53720419 is 91402735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53720419 - 2⁹ = 53719907 is a prime.

It is a super-2 number, since 2×53720419² = 5771766835071122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53720449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26860209 + 26860210.

It is an arithmetic number, because the mean of its divisors is an integer number (26860210).

Almost surely, 2^53720419 is an apocalyptic number.

53720419 is a deficient number, since it is larger than the sum of its proper divisors (1).

53720419 is an equidigital number, since it uses as much as digits as its factorization.

53720419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 53720419 is about 7329.4214642085. The cubic root of 53720419 is about 377.3228711578.

The spelling of 53720419 in words is "fifty-three million, seven hundred twenty thousand, four hundred nineteen".