54905075578 has 4 divisors (see below), whose sum is σ = 82357613370. Its totient is φ = 27452537788.

The previous prime is 54905075551. The next prime is 54905075587. The reversal of 54905075578 is 87557050945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49482667809 + 5422407769 = 222447^2 + 73637^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13726268893 + ... + 13726268896.

Almost surely, 2^54905075578 is an apocalyptic number.

54905075578 is a deficient number, since it is larger than the sum of its proper divisors (27452537792).

54905075578 is a wasteful number, since it uses less digits than its factorization.

54905075578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27452537791.

The product of its (nonzero) digits is 8820000, while the sum is 55.

The spelling of 54905075578 in words is "fifty-four billion, nine hundred five million, seventy-five thousand, five hundred seventy-eight".