54783456 has 96 divisors (see below), whose sum is σ = 177020928. Its totient is φ = 14446080.

The previous prime is 54783439. The next prime is 54783457. The reversal of 54783456 is 65438745.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×54783456³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54783457) 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, 5601 + ... + 11871.

It is an arithmetic number, because the mean of its divisors is an integer number (1843968).

Almost surely, 2^54783456 is an apocalyptic number.

54783456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54783456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88510464).

54783456 is an abundant number, since it is smaller than the sum of its proper divisors (122237472).

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

54783456 is a wasteful number, since it uses less digits than its factorization.

54783456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304 (or 6296 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 54783456 is about 7401.5846951852. The cubic root of 54783456 is about 379.7954947623.

The spelling of 54783456 in words is "fifty-four million, seven hundred eighty-three thousand, four hundred fifty-six".