54076921 has 2 divisors, whose sum is σ = 54076922. Its totient is φ = 54076920.

The previous prime is 54076903. The next prime is 54076951. The reversal of 54076921 is 12967045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27667600 + 26409321 = 5260^2 + 5139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54076921 is a prime.

It is not a weakly prime, because it can be changed into another prime (54076951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27038460 + 27038461.

It is an arithmetic number, because the mean of its divisors is an integer number (27038461).

Almost surely, 2^54076921 is an apocalyptic number.

It is an amenable number.

54076921 is a deficient number, since it is larger than the sum of its proper divisors (1).

54076921 is an equidigital number, since it uses as much as digits as its factorization.

54076921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 54076921 is about 7353.7011769584. The cubic root of 54076921 is about 378.1557009064.

The spelling of 54076921 in words is "fifty-four million, seventy-six thousand, nine hundred twenty-one".