53878558752 has 84 divisors (see below), whose sum is σ = 159037434990. Its totient is φ = 17959511808.

The previous prime is 53878558751. The next prime is 53878558771. The reversal of 53878558752 is 25785587835.

53878558752 is a `hidden beast` number, since 5 + 3 + 8 + 7 + 8 + 558 + 75 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52077065616 + 1801493136 = 228204^2 + 42444^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53878558752.

It is not an unprimeable number, because it can be changed into a prime (53878558751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1131477 + ... + 1178132.

Almost surely, 2^53878558752 is an apocalyptic number.

It is an amenable number.

53878558752 is an abundant number, since it is smaller than the sum of its proper divisors (105158876238).

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

53878558752 is an equidigital number, since it uses as much as digits as its factorization.

53878558752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309637 (or 2309614 counting only the distinct ones).

The product of its digits is 94080000, while the sum is 63.

The spelling of 53878558752 in words is "fifty-three billion, eight hundred seventy-eight million, five hundred fifty-eight thousand, seven hundred fifty-two".