54811823 has 8 divisors (see below), whose sum is σ = 61067520. Its totient is φ = 48768280.

The previous prime is 54811819. The next prime is 54811871. The reversal of 54811823 is 32811845.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54811823 - 2² = 54811819 is a prime.

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 54811823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54811223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52493 + ... + 53526.

It is an arithmetic number, because the mean of its divisors is an integer number (7633440).

Almost surely, 2^54811823 is an apocalyptic number.

54811823 is a deficient number, since it is larger than the sum of its proper divisors (6255697).

54811823 is a wasteful number, since it uses less digits than its factorization.

54811823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106077.

The product of its digits is 7680, while the sum is 32.

The square root of 54811823 is about 7403.5007260079. The cubic root of 54811823 is about 379.8610364457.

The spelling of 54811823 in words is "fifty-four million, eight hundred eleven thousand, eight hundred twenty-three".