53771863 has 2 divisors, whose sum is σ = 53771864. Its totient is φ = 53771862.

The previous prime is 53771849. The next prime is 53771891. The reversal of 53771863 is 36817735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53771863 - 2⁵ = 53771831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53771363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26885931 + 26885932.

It is an arithmetic number, because the mean of its divisors is an integer number (26885932).

Almost surely, 2^53771863 is an apocalyptic number.

53771863 is a deficient number, since it is larger than the sum of its proper divisors (1).

53771863 is an equidigital number, since it uses as much as digits as its factorization.

53771863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 53771863 is about 7332.9300419409. The cubic root of 53771863 is about 377.4432772981.

The spelling of 53771863 in words is "fifty-three million, seven hundred seventy-one thousand, eight hundred sixty-three".