52019642101 has 72 divisors (see below), whose sum is σ = 65256424920. Its totient is φ = 41307356160.

The previous prime is 52019642089. The next prime is 52019642111. The reversal of 52019642101 is 10124691025.

It can be written as a sum of positive squares in 4 ways, for example, as 31817283876 + 20202358225 = 178374^2 + 142135^2 .

It is not a de Polignac number, because 52019642101 - 2¹⁵ = 52019609333 is a prime.

It is a super-2 number, since 2×52019642101² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52019642111) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 127187185 + ... + 127187593.

It is an arithmetic number, because the mean of its divisors is an integer number (906339235).

Almost surely, 2^52019642101 is an apocalyptic number.

It is an amenable number.

52019642101 is a deficient number, since it is larger than the sum of its proper divisors (13236782819).

52019642101 is a wasteful number, since it uses less digits than its factorization.

52019642101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 52019642101 in words is "fifty-two billion, nineteen million, six hundred forty-two thousand, one hundred one".