54681794 has 4 divisors (see below), whose sum is σ = 82022694. Its totient is φ = 27340896.

The previous prime is 54681793. The next prime is 54681859. The reversal of 54681794 is 49718645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49718645 = 5 ⋅9943729.

It can be written as a sum of positive squares in only one way, i.e., 53655625 + 1026169 = 7325^2 + 1013^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54681793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13670447 + ... + 13670450.

Almost surely, 2^54681794 is an apocalyptic number.

54681794 is a deficient number, since it is larger than the sum of its proper divisors (27340900).

54681794 is a wasteful number, since it uses less digits than its factorization.

54681794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27340899.

The product of its digits is 241920, while the sum is 44.

The square root of 54681794 is about 7394.7139227965. The cubic root of 54681794 is about 379.5604196716.

The spelling of 54681794 in words is "fifty-four million, six hundred eighty-one thousand, seven hundred ninety-four".