54631040 has 32 divisors (see below), whose sum is σ = 130603860. Its totient is φ = 21852160.

The previous prime is 54631039. The next prime is 54631067. The reversal of 54631040 is 4013645.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54523456 + 107584 = 7384^2 + 328^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 54630997 and 54631015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42041 + ... + 43320.

Almost surely, 2^54631040 is an apocalyptic number.

It is an amenable number.

54631040 is an abundant number, since it is smaller than the sum of its proper divisors (75972820).

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

54631040 is an equidigital number, since it uses as much as digits as its factorization.

54631040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85380 (or 85368 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 54631040 is about 7391.2813503479. The cubic root of 54631040 is about 379.4429511240.

Adding to 54631040 its reverse (4013645), we get a palindrome (58644685).

The spelling of 54631040 in words is "fifty-four million, six hundred thirty-one thousand, forty".