54966819 has 8 divisors (see below), whose sum is σ = 74531520. Its totient is φ = 36023336.

The previous prime is 54966817. The next prime is 54966839. The reversal of 54966819 is 91866945.

54966819 is nontrivially palindromic in base 13.

54966819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54966819 - 2¹ = 54966817 is a prime.

It is a super-2 number, since 2×54966819² = 6042702381957522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54966817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155097 + ... + 155450.

It is an arithmetic number, because the mean of its divisors is an integer number (9316440).

Almost surely, 2^54966819 is an apocalyptic number.

54966819 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

54966819 is a deficient number, since it is larger than the sum of its proper divisors (19564701).

54966819 is a wasteful number, since it uses less digits than its factorization.

54966819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310609.

The product of its digits is 466560, while the sum is 48.

The square root of 54966819 is about 7413.9610870303. The cubic root of 54966819 is about 380.2187544703.

The spelling of 54966819 in words is "fifty-four million, nine hundred sixty-six thousand, eight hundred nineteen".