54490649 has 2 divisors, whose sum is σ = 54490650. Its totient is φ = 54490648.

The previous prime is 54490633. The next prime is 54490663. The reversal of 54490649 is 94609445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37210000 + 17280649 = 6100^2 + 4157^2 .

It is a cyclic number.

It is not a de Polignac number, because 54490649 - 2⁴ = 54490633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54490619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27245324 + 27245325.

It is an arithmetic number, because the mean of its divisors is an integer number (27245325).

Almost surely, 2^54490649 is an apocalyptic number.

It is an amenable number.

54490649 is a deficient number, since it is larger than the sum of its proper divisors (1).

54490649 is an equidigital number, since it uses as much as digits as its factorization.

54490649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 54490649 is about 7381.7781733130. The cubic root of 54490649 is about 379.1176411167.

The spelling of 54490649 in words is "fifty-four million, four hundred ninety thousand, six hundred forty-nine".