54612661853 has 2 divisors, whose sum is σ = 54612661854. Its totient is φ = 54612661852.

The previous prime is 54612661813. The next prime is 54612661889. The reversal of 54612661853 is 35816621645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33221259289 + 21391402564 = 182267^2 + 146258^2 .

It is a cyclic number.

It is not a de Polignac number, because 54612661853 - 2²⁶ = 54545552989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54612661798 and 54612661807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54612661813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27306330926 + 27306330927.

It is an arithmetic number, because the mean of its divisors is an integer number (27306330927).

Almost surely, 2^54612661853 is an apocalyptic number.

It is an amenable number.

54612661853 is a deficient number, since it is larger than the sum of its proper divisors (1).

54612661853 is an equidigital number, since it uses as much as digits as its factorization.

54612661853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 47.

The spelling of 54612661853 in words is "fifty-four billion, six hundred twelve million, six hundred sixty-one thousand, eight hundred fifty-three".