52552277781 has 16 divisors (see below), whose sum is σ = 70736716800. Its totient is φ = 34701458288.

The previous prime is 52552277753. The next prime is 52552277831. The reversal of 52552277781 is 18777225525.

52552277781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52552277781 - 2¹³ = 52552269589 is a prime.

It is a super-2 number, since 2×52552277781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52552277731) 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, 2628340 + ... + 2648258.

It is an arithmetic number, because the mean of its divisors is an integer number (4421044800).

Almost surely, 2^52552277781 is an apocalyptic number.

It is an amenable number.

52552277781 is a deficient number, since it is larger than the sum of its proper divisors (18184439019).

52552277781 is a wasteful number, since it uses less digits than its factorization.

52552277781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28248.

The product of its digits is 2744000, while the sum is 51.

The spelling of 52552277781 in words is "fifty-two billion, five hundred fifty-two million, two hundred seventy-seven thousand, seven hundred eighty-one".