54053212649 has 2 divisors, whose sum is σ = 54053212650. Its totient is φ = 54053212648.

The previous prime is 54053212639. The next prime is 54053212679. The reversal of 54053212649 is 94621235045.

54053212649 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., 44745787024 + 9307425625 = 211532^2 + 96475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54053212649 is a prime.

It is not a weakly prime, because it can be changed into another prime (54053212639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27026606324 + 27026606325.

It is an arithmetic number, because the mean of its divisors is an integer number (27026606325).

Almost surely, 2^54053212649 is an apocalyptic number.

It is an amenable number.

54053212649 is a deficient number, since it is larger than the sum of its proper divisors (1).

54053212649 is an equidigital number, since it uses as much as digits as its factorization.

54053212649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 54053212649 in words is "fifty-four billion, fifty-three million, two hundred twelve thousand, six hundred forty-nine".