54078961 has 2 divisors, whose sum is σ = 54078962. Its totient is φ = 54078960.

The previous prime is 54078949. The next prime is 54078967. The reversal of 54078961 is 16987045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30459361 + 23619600 = 5519^2 + 4860^2 .

It is a cyclic number.

It is not a de Polignac number, because 54078961 - 2⁷ = 54078833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54078967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27039480 + 27039481.

It is an arithmetic number, because the mean of its divisors is an integer number (27039481).

Almost surely, 2^54078961 is an apocalyptic number.

It is an amenable number.

54078961 is a deficient number, since it is larger than the sum of its proper divisors (1).

54078961 is an equidigital number, since it uses as much as digits as its factorization.

54078961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 54078961 is about 7353.8398813137. The cubic root of 54078961 is about 378.1604560337.

The spelling of 54078961 in words is "fifty-four million, seventy-eight thousand, nine hundred sixty-one".