52780550555278 has 16 divisors (see below), whose sum is σ = 97441016410080. Its totient is φ = 20880217802016.

The previous prime is 52780550555273. The next prime is 52780550555321. The reversal of 52780550555278 is 87255505508725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780550555273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145001512333 + ... + 145001512696.

It is an arithmetic number, because the mean of its divisors is an integer number (6090063525630).

Almost surely, 2^{52780550555278} is an apocalyptic number.

52780550555278 is a deficient number, since it is larger than the sum of its proper divisors (44660465854802).

52780550555278 is a wasteful number, since it uses less digits than its factorization.

52780550555278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290003025051.

The product of its (nonzero) digits is 196000000, while the sum is 64.

The spelling of 52780550555278 in words is "fifty-two trillion, seven hundred eighty billion, five hundred fifty million, five hundred fifty-five thousand, two hundred seventy-eight".