52855778351 has 4 divisors (see below), whose sum is σ = 52856662872. Its totient is φ = 52854893832.

The previous prime is 52855778341. The next prime is 52855778357. The reversal of 52855778351 is 15387755825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52855778351 - 2³⁴ = 35675909167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52855778357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345581 + ... + 474486.

It is an arithmetic number, because the mean of its divisors is an integer number (13214165718).

Almost surely, 2^52855778351 is an apocalyptic number.

52855778351 is a deficient number, since it is larger than the sum of its proper divisors (884521).

52855778351 is an equidigital number, since it uses as much as digits as its factorization.

52855778351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884520.

The product of its digits is 11760000, while the sum is 56.

The spelling of 52855778351 in words is "fifty-two billion, eight hundred fifty-five million, seven hundred seventy-eight thousand, three hundred fifty-one".