54603869 has 4 divisors (see below), whose sum is σ = 54881244. Its totient is φ = 54326496.

The previous prime is 54603827. The next prime is 54603893. The reversal of 54603869 is 96830645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96830645 = 5 ⋅19366129.

It can be written as a sum of positive squares in 2 ways, for example, as 53071225 + 1532644 = 7285^2 + 1238^2 .

It is a cyclic number.

It is not a de Polignac number, because 54603869 - 2²⁴ = 37826653 is a prime.

It is a super-2 number, since 2×54603869² = 5963165019538322, 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 (54903869) 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 3 ways as a sum of consecutive naturals, for example, 138392 + ... + 138785.

It is an arithmetic number, because the mean of its divisors is an integer number (13720311).

Almost surely, 2^54603869 is an apocalyptic number.

It is an amenable number.

54603869 is a deficient number, since it is larger than the sum of its proper divisors (277375).

54603869 is a wasteful number, since it uses less digits than its factorization.

54603869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277374.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 54603869 is about 7389.4430777969. The cubic root of 54603869 is about 379.3800347910.

The spelling of 54603869 in words is "fifty-four million, six hundred three thousand, eight hundred sixty-nine".