54820893 has 4 divisors (see below), whose sum is σ = 73094528. Its totient is φ = 36547260.

The previous prime is 54820879. The next prime is 54820901. The reversal of 54820893 is 39802845.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54820893 - 2⁴ = 54820877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54820093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9136813 + ... + 9136818.

It is an arithmetic number, because the mean of its divisors is an integer number (18273632).

Almost surely, 2^54820893 is an apocalyptic number.

It is an amenable number.

54820893 is a deficient number, since it is larger than the sum of its proper divisors (18273635).

54820893 is a wasteful number, since it uses less digits than its factorization.

54820893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18273634.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 54820893 is about 7404.1132487287. The cubic root of 54820893 is about 379.8819878232.

The spelling of 54820893 in words is "fifty-four million, eight hundred twenty thousand, eight hundred ninety-three".