53578416580 has 24 divisors (see below), whose sum is σ = 121169650392. Its totient is φ = 19782799872.

The previous prime is 53578416557. The next prime is 53578416607. The reversal of 53578416580 is 8561487535.

It can be written as a sum of positive squares in 4 ways, for example, as 8569945476 + 45008471104 = 92574^2 + 212152^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103035157 + ... + 103035676.

It is an arithmetic number, because the mean of its divisors is an integer number (5048735433).

Almost surely, 2^53578416580 is an apocalyptic number.

It is an amenable number.

53578416580 is an abundant number, since it is smaller than the sum of its proper divisors (67591233812).

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

53578416580 is a wasteful number, since it uses less digits than its factorization.

53578416580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206070855 (or 206070853 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 53578416580 in words is "fifty-three billion, five hundred seventy-eight million, four hundred sixteen thousand, five hundred eighty".