54431617 has 2 divisors, whose sum is σ = 54431618. Its totient is φ = 54431616.

The previous prime is 54431591. The next prime is 54431621. The reversal of 54431617 is 71613445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31764496 + 22667121 = 5636^2 + 4761^2 .

It is a cyclic number.

It is not a de Polignac number, because 54431617 - 2¹⁵ = 54398849 is a prime.

It is not a weakly prime, because it can be changed into another prime (54431677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27215808 + 27215809.

It is an arithmetic number, because the mean of its divisors is an integer number (27215809).

Almost surely, 2^54431617 is an apocalyptic number.

It is an amenable number.

54431617 is a deficient number, since it is larger than the sum of its proper divisors (1).

54431617 is an equidigital number, since it uses as much as digits as its factorization.

54431617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 54431617 is about 7377.7785952141. The cubic root of 54431617 is about 378.9806869810.

The spelling of 54431617 in words is "fifty-four million, four hundred thirty-one thousand, six hundred seventeen".