54591497 has 2 divisors, whose sum is σ = 54591498. Its totient is φ = 54591496.

The previous prime is 54591479. The next prime is 54591529. The reversal of 54591497 is 79419545.

Together with previous prime (54591479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54007801 + 583696 = 7349^2 + 764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54591497 is a prime.

It is not a weakly prime, because it can be changed into another prime (54591197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27295748 + 27295749.

It is an arithmetic number, because the mean of its divisors is an integer number (27295749).

Almost surely, 2^54591497 is an apocalyptic number.

It is an amenable number.

54591497 is a deficient number, since it is larger than the sum of its proper divisors (1).

54591497 is an equidigital number, since it uses as much as digits as its factorization.

54591497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 54591497 is about 7388.6058901528. The cubic root of 54591497 is about 379.3513796523.

The spelling of 54591497 in words is "fifty-four million, five hundred ninety-one thousand, four hundred ninety-seven".