54356369 has 2 divisors, whose sum is σ = 54356370. Its totient is φ = 54356368.

The previous prime is 54356347. The next prime is 54356371. The reversal of 54356369 is 96365345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52635025 + 1721344 = 7255^2 + 1312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54356369 is a prime.

It is a super-2 number, since 2×54356369² = 5909229701728322, which contains 22 as substring.

Together with 54356371, 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 (54356339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27178184 + 27178185.

It is an arithmetic number, because the mean of its divisors is an integer number (27178185).

Almost surely, 2^54356369 is an apocalyptic number.

It is an amenable number.

54356369 is a deficient number, since it is larger than the sum of its proper divisors (1).

54356369 is an equidigital number, since it uses as much as digits as its factorization.

54356369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 41.

The square root of 54356369 is about 7372.6771935302. The cubic root of 54356369 is about 378.8059681222.

The spelling of 54356369 in words is "fifty-four million, three hundred fifty-six thousand, three hundred sixty-nine".