53327780 has 24 divisors (see below), whose sum is σ = 122169600. Its totient is φ = 19391840.

The previous prime is 53327761. The next prime is 53327797. The reversal of 53327780 is 8772335.

It is a self number, because there is not a number n which added to its sum of digits gives 53327780.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120980 + ... + 121419.

It is an arithmetic number, because the mean of its divisors is an integer number (5090400).

Almost surely, 2^53327780 is an apocalyptic number.

It is an amenable number.

53327780 is an abundant number, since it is smaller than the sum of its proper divisors (68841820).

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

53327780 is a wasteful number, since it uses less digits than its factorization.

53327780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242419 (or 242417 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 53327780 is about 7302.5872127623. The cubic root of 53327780 is about 376.4013463821.

The spelling of 53327780 in words is "fifty-three million, three hundred twenty-seven thousand, seven hundred eighty".