53278580 has 24 divisors (see below), whose sum is σ = 116750592. Its totient is φ = 20384672.

The previous prime is 53278573. The next prime is 53278609. The reversal of 53278580 is 8587235.

It is a congruent number.

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, 57452 + ... + 58371.

It is an arithmetic number, because the mean of its divisors is an integer number (4864608).

Almost surely, 2^53278580 is an apocalyptic number.

It is an amenable number.

53278580 is an abundant number, since it is smaller than the sum of its proper divisors (63472012).

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

53278580 is a wasteful number, since it uses less digits than its factorization.

53278580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115855 (or 115853 counting only the distinct ones).

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

The square root of 53278580 is about 7299.2177663089. The cubic root of 53278580 is about 376.2855552982.

The spelling of 53278580 in words is "fifty-three million, two hundred seventy-eight thousand, five hundred eighty".