54380969 has 2 divisors, whose sum is σ = 54380970. Its totient is φ = 54380968.

The previous prime is 54380899. The next prime is 54380971. The reversal of 54380969 is 96908345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50239744 + 4141225 = 7088^2 + 2035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54380969 is a prime.

It is a super-2 number, since 2×54380969² = 5914579578757922, which contains 22 as substring.

Together with 54380971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54320969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27190484 + 27190485.

It is an arithmetic number, because the mean of its divisors is an integer number (27190485).

Almost surely, 2^54380969 is an apocalyptic number.

It is an amenable number.

54380969 is a deficient number, since it is larger than the sum of its proper divisors (1).

54380969 is an equidigital number, since it uses as much as digits as its factorization.

54380969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 54380969 is about 7374.3453268748. The cubic root of 54380969 is about 378.8631047654.

The spelling of 54380969 in words is "fifty-four million, three hundred eighty thousand, nine hundred sixty-nine".