54612869 has 2 divisors, whose sum is σ = 54612870. Its totient is φ = 54612868.

The previous prime is 54612863. The next prime is 54612893. The reversal of 54612869 is 96821645.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48135844 + 6477025 = 6938^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 54612869 - 2¹² = 54608773 is a prime.

It is a super-2 number, since 2×54612869² = 5965130920822322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54612863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27306434 + 27306435.

It is an arithmetic number, because the mean of its divisors is an integer number (27306435).

Almost surely, 2^54612869 is an apocalyptic number.

It is an amenable number.

54612869 is a deficient number, since it is larger than the sum of its proper divisors (1).

54612869 is an equidigital number, since it uses as much as digits as its factorization.

54612869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 54612869 is about 7390.0520295868. The cubic root of 54612869 is about 379.4008772258.

The spelling of 54612869 in words is "fifty-four million, six hundred twelve thousand, eight hundred sixty-nine".