53375280 has 80 divisors (see below), whose sum is σ = 189106944. Its totient is φ = 12199680.

The previous prime is 53375279. The next prime is 53375303. The reversal of 53375280 is 8257335.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14206 + ... + 17565.

Almost surely, 2^53375280 is an apocalyptic number.

It is an amenable number.

53375280 is an abundant number, since it is smaller than the sum of its proper divisors (135731664).

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

53375280 is a wasteful number, since it uses less digits than its factorization.

53375280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31794 (or 31788 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 53375280 is about 7305.8387608816. The cubic root of 53375280 is about 376.5130690038.

The spelling of 53375280 in words is "fifty-three million, three hundred seventy-five thousand, two hundred eighty".