54709969 has 4 divisors (see below), whose sum is σ = 55077300. Its totient is φ = 54342640.

The previous prime is 54709957. The next prime is 54709981. The reversal of 54709969 is 96990745.

54709969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96990745 = 5 ⋅19398149.

It is an interprime number because it is at equal distance from previous prime (54709957) and next prime (54709981).

It can be written as a sum of positive squares in 2 ways, for example, as 33779344 + 20930625 = 5812^2 + 4575^2 .

It is a cyclic number.

It is not a de Polignac number, because 54709969 - 2⁵ = 54709937 is a prime.

It is a super-2 number, since 2×54709969² = 5986361415961922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54709909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183442 + ... + 183739.

It is an arithmetic number, because the mean of its divisors is an integer number (13769325).

Almost surely, 2^54709969 is an apocalyptic number.

It is an amenable number.

54709969 is a deficient number, since it is larger than the sum of its proper divisors (367331).

54709969 is a wasteful number, since it uses less digits than its factorization.

54709969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367330.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 54709969 is about 7396.6187545391. The cubic root of 54709969 is about 379.6255984563.

The spelling of 54709969 in words is "fifty-four million, seven hundred nine thousand, nine hundred sixty-nine".