54252040 has 32 divisors (see below), whose sum is σ = 126279000. Its totient is φ = 20952064.

The previous prime is 54252031. The next prime is 54252041. The reversal of 54252040 is 4025245.

It can be written as a sum of positive squares in 4 ways, for example, as 36796356 + 17455684 = 6066^2 + 4178^2 .

It is not an unprimeable number, because it can be changed into a prime (54252041) 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, 22225 + ... + 24544.

Almost surely, 2^54252040 is an apocalyptic number.

It is an amenable number.

54252040 is an abundant number, since it is smaller than the sum of its proper divisors (72026960).

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

54252040 is a wasteful number, since it uses less digits than its factorization.

54252040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46809 (or 46805 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 54252040 is about 7365.5984142499. The cubic root of 54252040 is about 378.5634589178.

Adding to 54252040 its reverse (4025245), we get a palindrome (58277285).

The spelling of 54252040 in words is "fifty-four million, two hundred fifty-two thousand, forty".