54331869 has 16 divisors (see below), whose sum is σ = 73467072. Its totient is φ = 35712768.

The previous prime is 54331829. The next prime is 54331889. The reversal of 54331869 is 96813345.

It is not a de Polignac number, because 54331869 - 2¹⁹ = 53807581 is a prime.

It is a super-2 number, since 2×54331869² = 5903903978066322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54331829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99054 + ... + 99600.

It is an arithmetic number, because the mean of its divisors is an integer number (4591692).

Almost surely, 2^54331869 is an apocalyptic number.

It is an amenable number.

54331869 is a deficient number, since it is larger than the sum of its proper divisors (19135203).

54331869 is a wasteful number, since it uses less digits than its factorization.

54331869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its digits is 77760, while the sum is 39.

The square root of 54331869 is about 7371.0154659992. The cubic root of 54331869 is about 378.7490466052.

The spelling of 54331869 in words is "fifty-four million, three hundred thirty-one thousand, eight hundred sixty-nine".