54723649 has 16 divisors (see below), whose sum is σ = 58837504. Its totient is φ = 50803200.

The previous prime is 54723631. The next prime is 54723653. The reversal of 54723649 is 94632745.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54723649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54723619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80977 + ... + 81649.

It is an arithmetic number, because the mean of its divisors is an integer number (3677344).

Almost surely, 2^54723649 is an apocalyptic number.

It is an amenable number.

54723649 is a deficient number, since it is larger than the sum of its proper divisors (4113855).

54723649 is a wasteful number, since it uses less digits than its factorization.

54723649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its digits is 181440, while the sum is 40.

The square root of 54723649 is about 7397.5434436034. The cubic root of 54723649 is about 379.6572370862.

The spelling of 54723649 in words is "fifty-four million, seven hundred twenty-three thousand, six hundred forty-nine".