52020535501 has 48 divisors (see below), whose sum is σ = 60428390400. Its totient is φ = 44684196480.

The previous prime is 52020535451. The next prime is 52020535547. The reversal of 52020535501 is 10553502025.

It is not a de Polignac number, because 52020535501 - 2¹⁵ = 52020502733 is a prime.

It is a super-2 number, since 2×52020535501² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52020535501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52020533501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40672180 + ... + 40673458.

It is an arithmetic number, because the mean of its divisors is an integer number (1258924800).

Almost surely, 2^52020535501 is an apocalyptic number.

It is an amenable number.

52020535501 is a deficient number, since it is larger than the sum of its proper divisors (8407854899).

52020535501 is a wasteful number, since it uses less digits than its factorization.

52020535501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 52020535501 in words is "fifty-two billion, twenty million, five hundred thirty-five thousand, five hundred one".