53857886511 has 24 divisors (see below), whose sum is σ = 84828352896. Its totient is φ = 30130283040.

The previous prime is 53857886477. The next prime is 53857886561. The reversal of 53857886511 is 11568875835.

It is not a de Polignac number, because 53857886511 - 2¹⁷ = 53857755439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53857886561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4822995 + ... + 4834148.

It is an arithmetic number, because the mean of its divisors is an integer number (3534514704).

Almost surely, 2^53857886511 is an apocalyptic number.

53857886511 is a deficient number, since it is larger than the sum of its proper divisors (30970466385).

53857886511 is a wasteful number, since it uses less digits than its factorization.

53857886511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657183 (or 9657170 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 57.

The spelling of 53857886511 in words is "fifty-three billion, eight hundred fifty-seven million, eight hundred eighty-six thousand, five hundred eleven".