53569080 has 128 divisors (see below), whose sum is σ = 180187200. Its totient is φ = 14155776.

The previous prime is 53569069. The next prime is 53569097. The reversal of 53569080 is 8096535.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208312 + ... + 208568.

Almost surely, 2^53569080 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 53569080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90093600).

53569080 is an abundant number, since it is smaller than the sum of its proper divisors (126618120).

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

53569080 is a wasteful number, since it uses less digits than its factorization.

53569080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 53569080 is about 7319.0901073836. The cubic root of 53569080 is about 376.9682116414.

The spelling of 53569080 in words is "fifty-three million, five hundred sixty-nine thousand, eighty".