54994661 has 2 divisors, whose sum is σ = 54994662. Its totient is φ = 54994660.

The previous prime is 54994649. The next prime is 54994669. The reversal of 54994661 is 16649945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46321636 + 8673025 = 6806^2 + 2945^2 .

It is a cyclic number.

It is not a de Polignac number, because 54994661 - 2¹⁰ = 54993637 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54994669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27497330 + 27497331.

It is an arithmetic number, because the mean of its divisors is an integer number (27497331).

Almost surely, 2^54994661 is an apocalyptic number.

It is an amenable number.

54994661 is a deficient number, since it is larger than the sum of its proper divisors (1).

54994661 is an equidigital number, since it uses as much as digits as its factorization.

54994661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 54994661 is about 7415.8385230532. The cubic root of 54994661 is about 380.2829402457.

It can be divided in two parts, 54994 and 661, that added together give a palindrome (55655).

The spelling of 54994661 in words is "fifty-four million, nine hundred ninety-four thousand, six hundred sixty-one".