53578780 has 24 divisors (see below), whose sum is σ = 112670208. Its totient is φ = 21402048.

The previous prime is 53578771. The next prime is 53578793. The reversal of 53578780 is 8787535.

It is a zygodrome in base 2.

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 7 ways as a sum of consecutive naturals, for example, 18597 + ... + 21283.

It is an arithmetic number, because the mean of its divisors is an integer number (4694592).

Almost surely, 2^53578780 is an apocalyptic number.

It is an amenable number.

53578780 is an abundant number, since it is smaller than the sum of its proper divisors (59091428).

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

53578780 is a wasteful number, since it uses less digits than its factorization.

53578780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693 (or 3691 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 53578780 is about 7319.7527280640. The cubic root of 53578780 is about 376.9909633916.

The spelling of 53578780 in words is "fifty-three million, five hundred seventy-eight thousand, seven hundred eighty".