54605869 has 8 divisors (see below), whose sum is σ = 57692160. Its totient is φ = 51599856.

The previous prime is 54605851. The next prime is 54605879. The reversal of 54605869 is 96850645.

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

It is a cyclic number.

It is not a de Polignac number, because 54605869 - 2⁹ = 54605357 is a prime.

It is a super-2 number, since 2×54605869² = 5963601858490322, 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 (54605879) 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, 18669 + ... + 21394.

It is an arithmetic number, because the mean of its divisors is an integer number (7211520).

Almost surely, 2^54605869 is an apocalyptic number.

It is an amenable number.

54605869 is a deficient number, since it is larger than the sum of its proper divisors (3086291).

54605869 is a wasteful number, since it uses less digits than its factorization.

54605869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40139.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 54605869 is about 7389.5784047535. The cubic root of 54605869 is about 379.3846666411.

The spelling of 54605869 in words is "fifty-four million, six hundred five thousand, eight hundred sixty-nine".