54968391 has 6 divisors (see below), whose sum is σ = 79398800. Its totient is φ = 36645588.

The previous prime is 54968371. The next prime is 54968399. The reversal of 54968391 is 19386945.

It is a happy number.

It is not a de Polignac number, because 54968391 - 2⁹ = 54967879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54968399) 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 in 5 ways as a sum of consecutive naturals, for example, 3053791 + ... + 3053808.

Almost surely, 2^54968391 is an apocalyptic number.

54968391 is a deficient number, since it is larger than the sum of its proper divisors (24430409).

54968391 is a wasteful number, since it uses less digits than its factorization.

54968391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107605 (or 6107602 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 54968391 is about 7414.0671024749. The cubic root of 54968391 is about 380.2223790702. Note that the first 3 decimals are identical.

The spelling of 54968391 in words is "fifty-four million, nine hundred sixty-eight thousand, three hundred ninety-one".