54287693 has 4 divisors (see below), whose sum is σ = 57144960. Its totient is φ = 51430428.

The previous prime is 54287689. The next prime is 54287711. The reversal of 54287693 is 39678245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54287693 - 2² = 54287689 is a prime.

It is a super-2 number, since 2×54287693² = 5894307222524498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54287663) 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, 1428605 + ... + 1428642.

It is an arithmetic number, because the mean of its divisors is an integer number (14286240).

Almost surely, 2^54287693 is an apocalyptic number.

It is an amenable number.

54287693 is a deficient number, since it is larger than the sum of its proper divisors (2857267).

54287693 is a wasteful number, since it uses less digits than its factorization.

54287693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857266.

The product of its digits is 362880, while the sum is 44.

The square root of 54287693 is about 7368.0182545919. The cubic root of 54287693 is about 378.6463680427.

The spelling of 54287693 in words is "fifty-four million, two hundred eighty-seven thousand, six hundred ninety-three".