54232040 has 64 divisors (see below), whose sum is σ = 130228560. Its totient is φ = 20254720.

The previous prime is 54232007. The next prime is 54232049. The reversal of 54232040 is 4023245.

It can be written as a sum of positive squares in 8 ways, for example, as 38912644 + 15319396 = 6238^2 + 3914^2 .

It is a super-2 number, since 2×54232040² = 5882228325123200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (54232049) 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, 117410 + ... + 117870.

Almost surely, 2^54232040 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 54232040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65114280).

54232040 is an abundant number, since it is smaller than the sum of its proper divisors (75996520).

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

54232040 is a wasteful number, since it uses less digits than its factorization.

54232040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 658 counting only the distinct ones).

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

The square root of 54232040 is about 7364.2406261610. The cubic root of 54232040 is about 378.5169340944.

Adding to 54232040 its reverse (4023245), we get a palindrome (58255285).

The spelling of 54232040 in words is "fifty-four million, two hundred thirty-two thousand, forty".