53718780 has 24 divisors (see below), whose sum is σ = 150412752. Its totient is φ = 14324992.

The previous prime is 53718779. The next prime is 53718787. The reversal of 53718780 is 8781735.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53718787) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 447597 + ... + 447716.

It is an arithmetic number, because the mean of its divisors is an integer number (6267198).

Almost surely, 2^53718780 is an apocalyptic number.

It is an amenable number.

53718780 is an abundant number, since it is smaller than the sum of its proper divisors (96693972).

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

53718780 is a wasteful number, since it uses less digits than its factorization.

53718780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895325 (or 895323 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 53718780 is about 7329.3096537123. The cubic root of 53718780 is about 377.3190337685.

The spelling of 53718780 in words is "fifty-three million, seven hundred eighteen thousand, seven hundred eighty".