53857434131 has 4 divisors (see below), whose sum is σ = 53861749392. Its totient is φ = 53853118872.

The previous prime is 53857434097. The next prime is 53857434139. The reversal of 53857434131 is 13143475835.

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 53857434131 - 2¹⁸ = 53857171987 is a prime.

It is a super-2 number, since 2×53857434131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53857434139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138855 + ... + 2163888.

It is an arithmetic number, because the mean of its divisors is an integer number (13465437348).

Almost surely, 2^53857434131 is an apocalyptic number.

53857434131 is a deficient number, since it is larger than the sum of its proper divisors (4315261).

53857434131 is a wasteful number, since it uses less digits than its factorization.

53857434131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315260.

The product of its digits is 604800, while the sum is 44.

The spelling of 53857434131 in words is "fifty-three billion, eight hundred fifty-seven million, four hundred thirty-four thousand, one hundred thirty-one".