54121061 has 2 divisors, whose sum is σ = 54121062. Its totient is φ = 54121060.

The previous prime is 54121049. The next prime is 54121069. The reversal of 54121061 is 16012145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44970436 + 9150625 = 6706^2 + 3025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54121061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54121069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27060530 + 27060531.

It is an arithmetic number, because the mean of its divisors is an integer number (27060531).

Almost surely, 2^54121061 is an apocalyptic number.

It is an amenable number.

54121061 is a deficient number, since it is larger than the sum of its proper divisors (1).

54121061 is an equidigital number, since it uses as much as digits as its factorization.

54121061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 54121061 is about 7356.7017745726. The cubic root of 54121061 is about 378.2585621200.

The spelling of 54121061 in words is "fifty-four million, one hundred twenty-one thousand, sixty-one".