52115758753477 has 4 divisors (see below), whose sum is σ = 54381661308000. Its totient is φ = 49849856198956.

The previous prime is 52115758753453. The next prime is 52115758753507. The reversal of 52115758753477 is 77435785751125.

It is a happy number.

52115758753477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52115758753477 - 2¹¹ = 52115758751429 is a prime.

It is a super-2 number, since 2×52115758753477² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52115758753277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132951277227 + ... + 1132951277272.

It is an arithmetic number, because the mean of its divisors is an integer number (13595415327000).

Almost surely, 2^{52115758753477} is an apocalyptic number.

It is an amenable number.

52115758753477 is a deficient number, since it is larger than the sum of its proper divisors (2265902554523).

52115758753477 is a wasteful number, since it uses less digits than its factorization.

52115758753477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265902554522.

The product of its digits is 288120000, while the sum is 67.

The spelling of 52115758753477 in words is "fifty-two trillion, one hundred fifteen billion, seven hundred fifty-eight million, seven hundred fifty-three thousand, four hundred seventy-seven".