53091851 has 2 divisors, whose sum is σ = 53091852. Its totient is φ = 53091850.

The previous prime is 53091847. The next prime is 53091853. The reversal of 53091851 is 15819035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53091851 - 2² = 53091847 is a prime.

Together with 53091853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53091853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26545925 + 26545926.

It is an arithmetic number, because the mean of its divisors is an integer number (26545926).

Almost surely, 2^53091851 is an apocalyptic number.

53091851 is a deficient number, since it is larger than the sum of its proper divisors (1).

53091851 is an equidigital number, since it uses as much as digits as its factorization.

53091851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 53091851 is about 7286.4155110726. The cubic root of 53091851 is about 375.8454430224.

The spelling of 53091851 in words is "fifty-three million, ninety-one thousand, eight hundred fifty-one".