54067669 has 4 divisors (see below), whose sum is σ = 54808396. Its totient is φ = 53326944.

The previous prime is 54067649. The next prime is 54067681. The reversal of 54067669 is 96676045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96676045 = 5 ⋅19335209.

It can be written as a sum of positive squares in 2 ways, for example, as 44395569 + 9672100 = 6663^2 + 3110^2 .

It is a cyclic number.

It is not a de Polignac number, because 54067669 - 2²³ = 45679061 is a prime.

It is a super-2 number, since 2×54067669² = 5846625662187122, 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 (54067609) 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, 370254 + ... + 370399.

It is an arithmetic number, because the mean of its divisors is an integer number (13702099).

Almost surely, 2^54067669 is an apocalyptic number.

It is an amenable number.

54067669 is a deficient number, since it is larger than the sum of its proper divisors (740727).

54067669 is an equidigital number, since it uses as much as digits as its factorization.

54067669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740726.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 54067669 is about 7353.0720790701. The cubic root of 54067669 is about 378.1341335043.

The spelling of 54067669 in words is "fifty-four million, sixty-seven thousand, six hundred sixty-nine".