52877771856 has 1080 divisors, whose sum is σ = 210910340160. Its totient is φ = 12033515520.

The previous prime is 52877771833. The next prime is 52877771879. The reversal of 52877771856 is 65817777825.

It is an interprime number because it is at equal distance from previous prime (52877771833) and next prime (52877771879).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 52877771793 and 52877771802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1705734561 + ... + 1705734591.

It is an arithmetic number, because the mean of its divisors is an integer number (195287352).

Almost surely, 2^52877771856 is an apocalyptic number.

52877771856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52877771856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105455170080).

52877771856 is an abundant number, since it is smaller than the sum of its proper divisors (158032568304).

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

52877771856 is a wasteful number, since it uses less digits than its factorization.

52877771856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 92 counting only the distinct ones).

The product of its digits is 46099200, while the sum is 63.

The spelling of 52877771856 in words is "fifty-two billion, eight hundred seventy-seven million, seven hundred seventy-one thousand, eight hundred fifty-six".