54783994 has 8 divisors (see below), whose sum is σ = 82630548. Its totient is φ = 27240480.

The previous prime is 54783977. The next prime is 54783997. The reversal of 54783994 is 49938745.

It can be written as a sum of positive squares in 2 ways, for example, as 54686025 + 97969 = 7395^2 + 313^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54783997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75307 + ... + 76030.

Almost surely, 2^54783994 is an apocalyptic number.

54783994 is a deficient number, since it is larger than the sum of its proper divisors (27846554).

54783994 is a wasteful number, since it uses less digits than its factorization.

54783994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151520.

The product of its digits is 1088640, while the sum is 49.

The square root of 54783994 is about 7401.6210386644. The cubic root of 54783994 is about 379.7967380166.

The spelling of 54783994 in words is "fifty-four million, seven hundred eighty-three thousand, nine hundred ninety-four".