53980340 has 12 divisors (see below), whose sum is σ = 113358756. Its totient is φ = 21592128.

The previous prime is 53980337. The next prime is 53980357. The reversal of 53980340 is 4308935.

It can be written as a sum of positive squares in 2 ways, for example, as 8444836 + 45535504 = 2906^2 + 6748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53980297 and 53980306.

It is a congruent number.

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, 1349489 + ... + 1349528.

It is an arithmetic number, because the mean of its divisors is an integer number (9446563).

Almost surely, 2^53980340 is an apocalyptic number.

It is an amenable number.

53980340 is an abundant number, since it is smaller than the sum of its proper divisors (59378416).

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

53980340 is a wasteful number, since it uses less digits than its factorization.

53980340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699026 (or 2699024 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 53980340 is about 7347.1314130074. The cubic root of 53980340 is about 377.9304389416.

The spelling of 53980340 in words is "fifty-three million, nine hundred eighty thousand, three hundred forty".