53868851 has 2 divisors, whose sum is σ = 53868852. Its totient is φ = 53868850.

The previous prime is 53868839. The next prime is 53868887. The reversal of 53868851 is 15886835.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53868851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53868821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26934425 + 26934426.

It is an arithmetic number, because the mean of its divisors is an integer number (26934426).

Almost surely, 2^53868851 is an apocalyptic number.

53868851 is a deficient number, since it is larger than the sum of its proper divisors (1).

53868851 is an equidigital number, since it uses as much as digits as its factorization.

53868851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 44.

The square root of 53868851 is about 7339.5402444567. The cubic root of 53868851 is about 377.6700717529.

The spelling of 53868851 in words is "fifty-three million, eight hundred sixty-eight thousand, eight hundred fifty-one".