54043040 has 48 divisors (see below), whose sum is σ = 130106088. Its totient is φ = 21206016.

The previous prime is 54043021. The next prime is 54043057. The reversal of 54043040 is 4034045.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52475536 + 1567504 = 7244^2 + 1252^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5294 + ... + 11666.

Almost surely, 2^54043040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54043040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65053044).

54043040 is an abundant number, since it is smaller than the sum of its proper divisors (76063048).

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

54043040 is a wasteful number, since it uses less digits than its factorization.

54043040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441 (or 6433 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 54043040 is about 7351.3971461213. The cubic root of 54043040 is about 378.0767086747.

Adding to 54043040 its reverse (4034045), we get a palindrome (58077085).

The spelling of 54043040 in words is "fifty-four million, forty-three thousand, forty".