54367997 has 4 divisors (see below), whose sum is σ = 54906396. Its totient is φ = 53829600.

The previous prime is 54367993. The next prime is 54368047. The reversal of 54367997 is 79976345.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23609881 + 30758116 = 4859^2 + 5546^2 .

It is a cyclic number.

It is not a de Polignac number, because 54367997 - 2² = 54367993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54367993) 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, 269048 + ... + 269249.

It is an arithmetic number, because the mean of its divisors is an integer number (13726599).

Almost surely, 2^54367997 is an apocalyptic number.

It is an amenable number.

54367997 is a deficient number, since it is larger than the sum of its proper divisors (538399).

54367997 is a wasteful number, since it uses less digits than its factorization.

54367997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538398.

The product of its digits is 1428840, while the sum is 50.

The square root of 54367997 is about 7373.4657387147. The cubic root of 54367997 is about 378.8329777859.

The spelling of 54367997 in words is "fifty-four million, three hundred sixty-seven thousand, nine hundred ninety-seven".