54880961 has 2 divisors, whose sum is σ = 54880962. Its totient is φ = 54880960.

The previous prime is 54880957. The next prime is 54880997. The reversal of 54880961 is 16908845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51480625 + 3400336 = 7175^2 + 1844^2 .

It is a cyclic number.

It is not a de Polignac number, because 54880961 - 2² = 54880957 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 (54888961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27440480 + 27440481.

It is an arithmetic number, because the mean of its divisors is an integer number (27440481).

Almost surely, 2^54880961 is an apocalyptic number.

It is an amenable number.

54880961 is a deficient number, since it is larger than the sum of its proper divisors (1).

54880961 is an equidigital number, since it uses as much as digits as its factorization.

54880961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 54880961 is about 7408.1685321002. The cubic root of 54880961 is about 380.0206844696.

The spelling of 54880961 in words is "fifty-four million, eight hundred eighty thousand, nine hundred sixty-one".