54739949 has 8 divisors (see below), whose sum is σ = 63229248. Its totient is φ = 46836160.

The previous prime is 54739939. The next prime is 54739991. The reversal of 54739949 is 94993745.

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 54739949 - 2²⁴ = 37962733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54739897 and 54739906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54739939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146177 + ... + 146550.

It is an arithmetic number, because the mean of its divisors is an integer number (7903656).

Almost surely, 2^54739949 is an apocalyptic number.

It is an amenable number.

54739949 is a deficient number, since it is larger than the sum of its proper divisors (8489299).

54739949 is a wasteful number, since it uses less digits than its factorization.

54739949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292755.

The product of its digits is 1224720, while the sum is 50.

The square root of 54739949 is about 7398.6450786614. The cubic root of 54739949 is about 379.6949282780.

The spelling of 54739949 in words is "fifty-four million, seven hundred thirty-nine thousand, nine hundred forty-nine".