53311680 has 168 divisors, whose sum is σ = 186153552. Its totient is φ = 14002176.

The previous prime is 53311673. The next prime is 53311691. The reversal of 53311680 is 8611335.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308074 + ... + 308246.

Almost surely, 2^53311680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53311680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93076776).

53311680 is an abundant number, since it is smaller than the sum of its proper divisors (132841872).

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

53311680 is a wasteful number, since it uses less digits than its factorization.

53311680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 53311680 is about 7301.4847805087. The cubic root of 53311680 is about 376.3634632398.

The spelling of 53311680 in words is "fifty-three million, three hundred eleven thousand, six hundred eighty".