53782580 has 12 divisors (see below), whose sum is σ = 112943460. Its totient is φ = 21513024.

The previous prime is 53782549. The next prime is 53782607. The reversal of 53782580 is 8528735.

It can be written as a sum of positive squares in 2 ways, for example, as 11115556 + 42667024 = 3334^2 + 6532^2 .

It is a super-2 number, since 2×53782580² = 5785131822912800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344545 + ... + 1344584.

It is an arithmetic number, because the mean of its divisors is an integer number (9411955).

Almost surely, 2^53782580 is an apocalyptic number.

It is an amenable number.

53782580 is an abundant number, since it is smaller than the sum of its proper divisors (59160880).

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

53782580 is a wasteful number, since it uses less digits than its factorization.

53782580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689138 (or 2689136 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 53782580 is about 7333.6607502665. The cubic root of 53782580 is about 377.4683510739.

The spelling of 53782580 in words is "fifty-three million, seven hundred eighty-two thousand, five hundred eighty".