54031380457 has 2 divisors, whose sum is σ = 54031380458. Its totient is φ = 54031380456.

The previous prime is 54031380439. The next prime is 54031380523. The reversal of 54031380457 is 75408313045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44837639001 + 9193741456 = 211749^2 + 95884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54031380457 is a prime.

It is not a weakly prime, because it can be changed into another prime (54031380407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27015690228 + 27015690229.

It is an arithmetic number, because the mean of its divisors is an integer number (27015690229).

Almost surely, 2^54031380457 is an apocalyptic number.

It is an amenable number.

54031380457 is a deficient number, since it is larger than the sum of its proper divisors (1).

54031380457 is an equidigital number, since it uses as much as digits as its factorization.

54031380457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 54031380457 in words is "fifty-four billion, thirty-one million, three hundred eighty thousand, four hundred fifty-seven".