53780392836 has 27 divisors (see below), whose sum is σ = 135948399223. Its totient is φ = 17926333800.

The previous prime is 53780392741. The next prime is 53780392871. The reversal of 53780392836 is 63829308735.

The square root of 53780392836 is 231906.

It is a perfect power (a square), and thus also a powerful number.

53780392836 is a `hidden beast` number, since 537 + 80 + 3 + 9 + 28 + 3 + 6 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1372111 + ... + 1410761.

Almost surely, 2^53780392836 is an apocalyptic number.

53780392836 is the 231906-th square number.

It is an amenable number.

53780392836 is an abundant number, since it is smaller than the sum of its proper divisors (82168006387).

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

53780392836 is an frugal number, since it uses more digits than its factorization.

53780392836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77312 (or 38656 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 53780392836 in words is "fifty-three billion, seven hundred eighty million, three hundred ninety-two thousand, eight hundred thirty-six".