54909794 has 4 divisors (see below), whose sum is σ = 82364694. Its totient is φ = 27454896.

The previous prime is 54909793. The next prime is 54909817. The reversal of 54909794 is 49790945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34070569 + 20839225 = 5837^2 + 4565^2 .

It is not an unprimeable number, because it can be changed into a prime (54909793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13727447 + ... + 13727450.

Almost surely, 2^54909794 is an apocalyptic number.

54909794 is a deficient number, since it is larger than the sum of its proper divisors (27454900).

54909794 is a wasteful number, since it uses less digits than its factorization.

54909794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27454899.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 54909794 is about 7410.1143041116. The cubic root of 54909794 is about 380.0872237448.

The spelling of 54909794 in words is "fifty-four million, nine hundred nine thousand, seven hundred ninety-four".