54570040 has 64 divisors (see below), whose sum is σ = 142156800. Its totient is φ = 18465408.

The previous prime is 54570031. The next prime is 54570049. The reversal of 54570040 is 4007545.

It is an interprime number because it is at equal distance from previous prime (54570031) and next prime (54570049).

It is a junction number, because it is equal to n+sod(n) for n = 54569987 and 54570014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54570049) 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, 20887 + ... + 23353.

It is an arithmetic number, because the mean of its divisors is an integer number (2221200).

Almost surely, 2^54570040 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 54570040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71078400).

54570040 is an abundant number, since it is smaller than the sum of its proper divisors (87586760).

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

54570040 is a wasteful number, since it uses less digits than its factorization.

54570040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 54570040 is about 7387.1537143882. The cubic root of 54570040 is about 379.3016722212.

Adding to 54570040 its reverse (4007545), we get a palindrome (58577585).

The spelling of 54570040 in words is "fifty-four million, five hundred seventy thousand, forty".