54045961 has 2 divisors, whose sum is σ = 54045962. Its totient is φ = 54045960.

The previous prime is 54045949. The next prime is 54045977. The reversal of 54045961 is 16954045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39300361 + 14745600 = 6269^2 + 3840^2 .

It is a cyclic number.

It is not a de Polignac number, because 54045961 - 2⁷ = 54045833 is a prime.

It is not a weakly prime, because it can be changed into another prime (54045991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27022980 + 27022981.

It is an arithmetic number, because the mean of its divisors is an integer number (27022981).

Almost surely, 2^54045961 is an apocalyptic number.

It is an amenable number.

54045961 is a deficient number, since it is larger than the sum of its proper divisors (1).

54045961 is an equidigital number, since it uses as much as digits as its factorization.

54045961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 54045961 is about 7351.5958131551. The cubic root of 54045961 is about 378.0835201727.

The spelling of 54045961 in words is "fifty-four million, forty-five thousand, nine hundred sixty-one".