54669553 has 8 divisors (see below), whose sum is σ = 57623400. Its totient is φ = 51787008.

The previous prime is 54669541. The next prime is 54669581. The reversal of 54669553 is 35596645.

It can be written as a sum of positive squares in 4 ways, for example, as 29899024 + 24770529 = 5468^2 + 4977^2 .

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-54669553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54669053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16248 + ... + 19321.

It is an arithmetic number, because the mean of its divisors is an integer number (7202925).

Almost surely, 2^54669553 is an apocalyptic number.

54669553 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

54669553 is a deficient number, since it is larger than the sum of its proper divisors (2953847).

54669553 is a wasteful number, since it uses less digits than its factorization.

54669553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35651.

The product of its digits is 486000, while the sum is 43.

The square root of 54669553 is about 7393.8861906307. The cubic root of 54669553 is about 379.5320949131.

The spelling of 54669553 in words is "fifty-four million, six hundred sixty-nine thousand, five hundred fifty-three".