54466665 has 32 divisors (see below), whose sum is σ = 96163200. Its totient is φ = 26104320.

The previous prime is 54466663. The next prime is 54466667. The reversal of 54466665 is 56666445.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54466663) and next prime (54466667).

It is not a de Polignac number, because 54466665 - 2¹ = 54466663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54466661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12831 + ... + 16539.

It is an arithmetic number, because the mean of its divisors is an integer number (3005100).

Almost surely, 2^54466665 is an apocalyptic number.

54466665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54466665 is a deficient number, since it is larger than the sum of its proper divisors (41696535).

54466665 is a wasteful number, since it uses less digits than its factorization.

54466665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817.

The product of its digits is 518400, while the sum is 42.

The square root of 54466665 is about 7380.1534536892. The cubic root of 54466665 is about 379.0620102146.

The spelling of 54466665 in words is "fifty-four million, four hundred sixty-six thousand, six hundred sixty-five".