52510101309 has 32 divisors (see below), whose sum is σ = 82153128960. Its totient is φ = 33081239664.

The previous prime is 52510101283. The next prime is 52510101311. The reversal of 52510101309 is 90310101525.

52510101309 is a `hidden beast` number, since 5 + 2 + 510 + 10 + 130 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-52510101309 is a prime.

It is a super-4 number, since 4×52510101309⁴ (a number of 44 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52510101349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457839 + ... + 560924.

It is an arithmetic number, because the mean of its divisors is an integer number (2567285280).

Almost surely, 2^52510101309 is an apocalyptic number.

It is an amenable number.

52510101309 is a deficient number, since it is larger than the sum of its proper divisors (29643027651).

52510101309 is a wasteful number, since it uses less digits than its factorization.

52510101309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018878 (or 1018872 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The spelling of 52510101309 in words is "fifty-two billion, five hundred ten million, one hundred one thousand, three hundred nine".