54302440 has 16 divisors (see below), whose sum is σ = 122180580. Its totient is φ = 21720960.

The previous prime is 54302431. The next prime is 54302441. The reversal of 54302440 is 4420345.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53963716 + 338724 = 7346^2 + 582^2 .

It is not an unprimeable number, because it can be changed into a prime (54302441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678741 + ... + 678820.

Almost surely, 2^54302440 is an apocalyptic number.

It is an amenable number.

54302440 is an abundant number, since it is smaller than the sum of its proper divisors (67878140).

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

54302440 is a wasteful number, since it uses less digits than its factorization.

54302440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357572 (or 1357568 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 54302440 is about 7369.0189306311. The cubic root of 54302440 is about 378.6806507818.

Adding to 54302440 its reverse (4420345), we get a palindrome (58722785).

The spelling of 54302440 in words is "fifty-four million, three hundred two thousand, four hundred forty".