54517649 has 2 divisors, whose sum is σ = 54517650. Its totient is φ = 54517648.

The previous prime is 54517627. The next prime is 54517693. The reversal of 54517649 is 94671545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28944400 + 25573249 = 5380^2 + 5057^2 .

It is a cyclic number.

It is not a de Polignac number, because 54517649 - 2¹⁶ = 54452113 is a prime.

It is a super-3 number, since 3×54517649³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (54519649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27258824 + 27258825.

It is an arithmetic number, because the mean of its divisors is an integer number (27258825).

Almost surely, 2^54517649 is an apocalyptic number.

It is an amenable number.

54517649 is a deficient number, since it is larger than the sum of its proper divisors (1).

54517649 is an equidigital number, since it uses as much as digits as its factorization.

54517649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 54517649 is about 7383.6067744700. The cubic root of 54517649 is about 379.1802481040.

The spelling of 54517649 in words is "fifty-four million, five hundred seventeen thousand, six hundred forty-nine".