53423680 has 28 divisors (see below), whose sum is σ = 127215900. Its totient is φ = 21369344.

The previous prime is 53423659. The next prime is 53423717. The reversal of 53423680 is 8632435.

It can be written as a sum of positive squares in 2 ways, for example, as 24522304 + 28901376 = 4952^2 + 5376^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83155 + ... + 83794.

It is an arithmetic number, because the mean of its divisors is an integer number (4543425).

Almost surely, 2^53423680 is an apocalyptic number.

It is an amenable number.

53423680 is an abundant number, since it is smaller than the sum of its proper divisors (73792220).

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

53423680 is a wasteful number, since it uses less digits than its factorization.

53423680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166966 (or 166956 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 53423680 is about 7309.1504294275. The cubic root of 53423680 is about 376.6268403171.

The spelling of 53423680 in words is "fifty-three million, four hundred twenty-three thousand, six hundred eighty".