54415667 has 8 divisors (see below), whose sum is σ = 54907440. Its totient is φ = 53926560.

The previous prime is 54415661. The next prime is 54415679. The reversal of 54415667 is 76651445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54415667 is a prime.

It is a super-2 number, since 2×54415667² = 5922129630109778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54415667.

It is not an unprimeable number, because it can be changed into a prime (54415661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66692 + ... + 67502.

It is an arithmetic number, because the mean of its divisors is an integer number (6863430).

Almost surely, 2^54415667 is an apocalyptic number.

54415667 is a deficient number, since it is larger than the sum of its proper divisors (491773).

54415667 is a wasteful number, since it uses less digits than its factorization.

54415667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333.

The product of its digits is 100800, while the sum is 38.

The square root of 54415667 is about 7376.6975673400. The cubic root of 54415667 is about 378.9436660190.

The spelling of 54415667 in words is "fifty-four million, four hundred fifteen thousand, six hundred sixty-seven".