54480149693 has 2 divisors, whose sum is σ = 54480149694. Its totient is φ = 54480149692.

The previous prime is 54480149677. The next prime is 54480149743. The reversal of 54480149693 is 39694108445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47889632569 + 6590517124 = 218837^2 + 81182^2 .

It is a cyclic number.

It is not a de Polignac number, because 54480149693 - 2⁴ = 54480149677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54480149623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27240074846 + 27240074847.

It is an arithmetic number, because the mean of its divisors is an integer number (27240074847).

Almost surely, 2^54480149693 is an apocalyptic number.

It is an amenable number.

54480149693 is a deficient number, since it is larger than the sum of its proper divisors (1).

54480149693 is an equidigital number, since it uses as much as digits as its factorization.

54480149693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 54480149693 in words is "fifty-four billion, four hundred eighty million, one hundred forty-nine thousand, six hundred ninety-three".