54772961 has 2 divisors, whose sum is σ = 54772962. Its totient is φ = 54772960.

The previous prime is 54772957. The next prime is 54772999. The reversal of 54772961 is 16927745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31192225 + 23580736 = 5585^2 + 4856^2 .

It is a cyclic number.

It is not a de Polignac number, because 54772961 - 2² = 54772957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54772901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27386480 + 27386481.

It is an arithmetic number, because the mean of its divisors is an integer number (27386481).

Almost surely, 2^54772961 is an apocalyptic number.

It is an amenable number.

54772961 is a deficient number, since it is larger than the sum of its proper divisors (1).

54772961 is an equidigital number, since it uses as much as digits as its factorization.

54772961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 54772961 is about 7400.8756914300. The cubic root of 54772961 is about 379.7712404310.

The spelling of 54772961 in words is "fifty-four million, seven hundred seventy-two thousand, nine hundred sixty-one".