54425420509 has 2 divisors, whose sum is σ = 54425420510. Its totient is φ = 54425420508.

The previous prime is 54425420461. The next prime is 54425420519. The reversal of 54425420509 is 90502452445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45647604409 + 8777816100 = 213653^2 + 93690^2 .

It is a cyclic number.

It is not a de Polignac number, because 54425420509 - 2¹⁷ = 54425289437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54425420519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27212710254 + 27212710255.

It is an arithmetic number, because the mean of its divisors is an integer number (27212710255).

Almost surely, 2^54425420509 is an apocalyptic number.

It is an amenable number.

54425420509 is a deficient number, since it is larger than the sum of its proper divisors (1).

54425420509 is an equidigital number, since it uses as much as digits as its factorization.

54425420509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 54425420509 in words is "fifty-four billion, four hundred twenty-five million, four hundred twenty thousand, five hundred nine".