54818819 has 16 divisors (see below), whose sum is σ = 64988160. Its totient is φ = 45684000.

The previous prime is 54818807. The next prime is 54818837. The reversal of 54818819 is 91881845.

It is a cyclic number.

It is not a de Polignac number, because 54818819 - 2⁸ = 54818563 is a prime.

It is a super-2 number, since 2×54818819² = 6010205833109522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54818819.

It is not an unprimeable number, because it can be changed into a prime (54818419) 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, 2249 + ... + 10709.

It is an arithmetic number, because the mean of its divisors is an integer number (4061760).

Almost surely, 2^54818819 is an apocalyptic number.

54818819 is a deficient number, since it is larger than the sum of its proper divisors (10169341).

54818819 is a wasteful number, since it uses less digits than its factorization.

54818819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8522.

The product of its digits is 92160, while the sum is 44.

The square root of 54818819 is about 7403.9731901189. The cubic root of 54818819 is about 379.8771971608.

The spelling of 54818819 in words is "fifty-four million, eight hundred eighteen thousand, eight hundred nineteen".