54520340 has 36 divisors (see below), whose sum is σ = 133187796. Its totient is φ = 18692352.

The previous prime is 54520339. The next prime is 54520363. The reversal of 54520340 is 4302545.

It can be written as a sum of positive squares in 2 ways, for example, as 11957764 + 42562576 = 3458^2 + 6524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26837 + ... + 28796.

It is an arithmetic number, because the mean of its divisors is an integer number (3699661).

Almost surely, 2^54520340 is an apocalyptic number.

It is an amenable number.

54520340 is an abundant number, since it is smaller than the sum of its proper divisors (78667456).

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

54520340 is a wasteful number, since it uses less digits than its factorization.

54520340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55656 (or 55647 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 54520340 is about 7383.7890002356. The cubic root of 54520340 is about 379.1864868009.

Adding to 54520340 its reverse (4302545), we get a palindrome (58822885).

The spelling of 54520340 in words is "fifty-four million, five hundred twenty thousand, three hundred forty".