53000080 has 160 divisors (see below), whose sum is σ = 150847488. Its totient is φ = 16934400.

The previous prime is 53000069. The next prime is 53000089. The reversal of 53000080 is 8000035.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (53000089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746445 + ... + 746515.

Almost surely, 2^53000080 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 53000080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75423744).

53000080 is an abundant number, since it is smaller than the sum of its proper divisors (97847408).

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

53000080 is a wasteful number, since it uses less digits than its factorization.

53000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 53000080 is about 7280.1153837010. The cubic root of 53000080 is about 375.6287644175.

The spelling of 53000080 in words is "fifty-three million, eighty", and thus it is an aban number and an uban number.