53758919 has 2 divisors, whose sum is σ = 53758920. Its totient is φ = 53758918.

The previous prime is 53758883. The next prime is 53758921. The reversal of 53758919 is 91985735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53758919 - 2¹² = 53754823 is a prime.

It is a super-2 number, since 2×53758919² = 5780042744097122, which contains 22 as substring.

Together with 53758921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53758949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26879459 + 26879460.

It is an arithmetic number, because the mean of its divisors is an integer number (26879460).

Almost surely, 2^53758919 is an apocalyptic number.

53758919 is a deficient number, since it is larger than the sum of its proper divisors (1).

53758919 is an equidigital number, since it uses as much as digits as its factorization.

53758919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 47.

The square root of 53758919 is about 7332.0473948277. The cubic root of 53758919 is about 377.4129887322.

The spelling of 53758919 in words is "fifty-three million, seven hundred fifty-eight thousand, nine hundred nineteen".