52780030555278 has 32 divisors (see below), whose sum is σ = 118622677372416. Its totient is φ = 15533922035808.

The previous prime is 52780030555277. The next prime is 52780030555303. The reversal of 52780030555278 is 87255503008725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780030555277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14710151650 + ... + 14710155237.

It is an arithmetic number, because the mean of its divisors is an integer number (3706958667888).

Almost surely, 2^{52780030555278} is an apocalyptic number.

52780030555278 is an abundant number, since it is smaller than the sum of its proper divisors (65842646817138).

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

52780030555278 is a wasteful number, since it uses less digits than its factorization.

52780030555278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29420306928.

The product of its (nonzero) digits is 23520000, while the sum is 57.

The spelling of 52780030555278 in words is "fifty-two trillion, seven hundred eighty billion, thirty million, five hundred fifty-five thousand, two hundred seventy-eight".