54440245537 has 2 divisors, whose sum is σ = 54440245538. Its totient is φ = 54440245536.

The previous prime is 54440245513. The next prime is 54440245549. The reversal of 54440245537 is 73554204445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36303967296 + 18136278241 = 190536^2 + 134671^2 .

It is a cyclic number.

It is not a de Polignac number, because 54440245537 - 2³⁵ = 20080507169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54440245493 and 54440245502.

It is not a weakly prime, because it can be changed into another prime (54440245567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27220122768 + 27220122769.

It is an arithmetic number, because the mean of its divisors is an integer number (27220122769).

Almost surely, 2^54440245537 is an apocalyptic number.

It is an amenable number.

54440245537 is a deficient number, since it is larger than the sum of its proper divisors (1).

54440245537 is an equidigital number, since it uses as much as digits as its factorization.

54440245537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344000, while the sum is 43.

The spelling of 54440245537 in words is "fifty-four billion, four hundred forty million, two hundred forty-five thousand, five hundred thirty-seven".