53679280 has 20 divisors (see below), whose sum is σ = 124804512. Its totient is φ = 21471680.

The previous prime is 53679271. The next prime is 53679281. The reversal of 53679280 is 8297635.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (53679281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 335416 + ... + 335575.

Almost surely, 2^53679280 is an apocalyptic number.

It is an amenable number.

53679280 is an abundant number, since it is smaller than the sum of its proper divisors (71125232).

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

53679280 is a wasteful number, since it uses less digits than its factorization.

53679280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671004 (or 670998 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 53679280 is about 7326.6144978428. The cubic root of 53679280 is about 377.2265288359.

The spelling of 53679280 in words is "fifty-three million, six hundred seventy-nine thousand, two hundred eighty".