53878889155 has 48 divisors (see below), whose sum is σ = 80080038720. Its totient is φ = 34074653184.

The previous prime is 53878889147. The next prime is 53878889161. The reversal of 53878889155 is 55198887835.

It is not a de Polignac number, because 53878889155 - 2³ = 53878889147 is a prime.

It is a super-2 number, since 2×53878889155² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8591361 + ... + 8597629.

It is an arithmetic number, because the mean of its divisors is an integer number (1668334140).

Almost surely, 2^53878889155 is an apocalyptic number.

53878889155 is a deficient number, since it is larger than the sum of its proper divisors (26201149565).

53878889155 is a wasteful number, since it uses less digits than its factorization.

53878889155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760 (or 7747 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 67.

The spelling of 53878889155 in words is "fifty-three billion, eight hundred seventy-eight million, eight hundred eighty-nine thousand, one hundred fifty-five".