53481278578 has 32 divisors (see below), whose sum is σ = 99101802240. Its totient is φ = 21078757440.

The previous prime is 53481278569. The next prime is 53481278597. The reversal of 53481278578 is 87587218435.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497238 + ... + 595153.

It is an arithmetic number, because the mean of its divisors is an integer number (3096931320).

Almost surely, 2^53481278578 is an apocalyptic number.

53481278578 is a deficient number, since it is larger than the sum of its proper divisors (45620523662).

53481278578 is a wasteful number, since it uses less digits than its factorization.

53481278578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092682.

The product of its digits is 15052800, while the sum is 58.

The spelling of 53481278578 in words is "fifty-three billion, four hundred eighty-one million, two hundred seventy-eight thousand, five hundred seventy-eight".