53040080 has 20 divisors (see below), whose sum is σ = 123318372. Its totient is φ = 21216000.

The previous prime is 53040061. The next prime is 53040107. The reversal of 53040080 is 8004035.

It can be written as a sum of positive squares in 2 ways, for example, as 31990336 + 21049744 = 5656^2 + 4588^2 .

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 (20).

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, 331421 + ... + 331580.

Almost surely, 2^53040080 is an apocalyptic number.

It is an amenable number.

53040080 is an abundant number, since it is smaller than the sum of its proper divisors (70278292).

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

53040080 is a wasteful number, since it uses less digits than its factorization.

53040080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663014 (or 663008 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 53040080 is about 7282.8620747615. The cubic root of 53040080 is about 375.7232383143.

The spelling of 53040080 in words is "fifty-three million, forty thousand, eighty".