51655048853 has 2 divisors, whose sum is σ = 51655048854. Its totient is φ = 51655048852.

The previous prime is 51655048843. The next prime is 51655048889. The reversal of 51655048853 is 35884055615.

51655048853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37172611204 + 14482437649 = 192802^2 + 120343^2 .

It is a cyclic number.

It is not a de Polignac number, because 51655048853 - 2¹² = 51655044757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51655048843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25827524426 + 25827524427.

It is an arithmetic number, because the mean of its divisors is an integer number (25827524427).

Almost surely, 2^51655048853 is an apocalyptic number.

It is an amenable number.

51655048853 is a deficient number, since it is larger than the sum of its proper divisors (1).

51655048853 is an equidigital number, since it uses as much as digits as its factorization.

51655048853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880000, while the sum is 50.

The spelling of 51655048853 in words is "fifty-one billion, six hundred fifty-five million, forty-eight thousand, eight hundred fifty-three".