54543773 has 4 divisors (see below), whose sum is σ = 54559260. Its totient is φ = 54528288.

The previous prime is 54543719. The next prime is 54543781. The reversal of 54543773 is 37734545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8602489 + 45941284 = 2933^2 + 6778^2 .

It is a cyclic number.

It is not a de Polignac number, because 54543773 - 2²⁴ = 37766557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54543473) 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, 383 + ... + 10451.

It is an arithmetic number, because the mean of its divisors is an integer number (13639815).

Almost surely, 2^54543773 is an apocalyptic number.

It is an amenable number.

54543773 is a deficient number, since it is larger than the sum of its proper divisors (15487).

54543773 is a wasteful number, since it uses less digits than its factorization.

54543773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15486.

The product of its digits is 176400, while the sum is 38.

The square root of 54543773 is about 7385.3756167171. The cubic root of 54543773 is about 379.2408041697.

The spelling of 54543773 in words is "fifty-four million, five hundred forty-three thousand, seven hundred seventy-three".