54321766 has 8 divisors (see below), whose sum is σ = 86275800. Its totient is φ = 25563168.

The previous prime is 54321763. The next prime is 54321793. The reversal of 54321766 is 66712345.

It is a happy number.

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

It is a super-2 number, since 2×54321766² = 5901708522717512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1597699 = 54321766 / (5 + 4 + 3 + 2 + 1 + 7 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54321763) 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, 798816 + ... + 798883.

It is an arithmetic number, because the mean of its divisors is an integer number (10784475).

Almost surely, 2^54321766 is an apocalyptic number.

54321766 is a deficient number, since it is larger than the sum of its proper divisors (31954034).

54321766 is a wasteful number, since it uses less digits than its factorization.

54321766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597718.

The product of its digits is 30240, while the sum is 34.

The square root of 54321766 is about 7370.3301147235. The cubic root of 54321766 is about 378.7255690472.

The spelling of 54321766 in words is "fifty-four million, three hundred twenty-one thousand, seven hundred sixty-six".