54223840 has 48 divisors (see below), whose sum is σ = 139754160. Its totient is φ = 19717120.

The previous prime is 54223831. The next prime is 54223847. The reversal of 54223840 is 4832245.

It is a junction number, because it is equal to n+sod(n) for n = 54223799 and 54223808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54223847) 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, 13645 + ... + 17164.

It is an arithmetic number, because the mean of its divisors is an integer number (2911545).

Almost surely, 2^54223840 is an apocalyptic number.

It is an amenable number.

54223840 is an abundant number, since it is smaller than the sum of its proper divisors (85530320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54223840 is a wasteful number, since it uses less digits than its factorization.

54223840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30835 (or 30827 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 54223840 is about 7363.6838606773. The cubic root of 54223840 is about 378.4978556104.

The spelling of 54223840 in words is "fifty-four million, two hundred twenty-three thousand, eight hundred forty".