53863951 has 2 divisors, whose sum is σ = 53863952. Its totient is φ = 53863950.

The previous prime is 53863949. The next prime is 53863963. The reversal of 53863951 is 15936835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53863951 - 2¹ = 53863949 is a prime.

Together with 53863949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53863981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26931975 + 26931976.

It is an arithmetic number, because the mean of its divisors is an integer number (26931976).

Almost surely, 2^53863951 is an apocalyptic number.

53863951 is a deficient number, since it is larger than the sum of its proper divisors (1).

53863951 is an equidigital number, since it uses as much as digits as its factorization.

53863951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 53863951 is about 7339.2064284908. The cubic root of 53863951 is about 377.6586202403.

The spelling of 53863951 in words is "fifty-three million, eight hundred sixty-three thousand, nine hundred fifty-one".