52885547778 has 32 divisors (see below), whose sum is σ = 122685456384. Its totient is φ = 14884630992.

The previous prime is 52885547753. The next prime is 52885547797. The reversal of 52885547778 is 87774558825.

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, 9394050 + ... + 9399677.

It is an arithmetic number, because the mean of its divisors is an integer number (3833920512).

Almost surely, 2^52885547778 is an apocalyptic number.

52885547778 is an abundant number, since it is smaller than the sum of its proper divisors (69799908606).

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

52885547778 is a wasteful number, since it uses less digits than its factorization.

52885547778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18793806.

The product of its digits is 175616000, while the sum is 66.

The spelling of 52885547778 in words is "fifty-two billion, eight hundred eighty-five million, five hundred forty-seven thousand, seven hundred seventy-eight".