53534679387 has 16 divisors (see below), whose sum is σ = 81798945792. Its totient is φ = 30507886080.

The previous prime is 53534679377. The next prime is 53534679389. The reversal of 53534679387 is 78397643535.

It is not a de Polignac number, because 53534679387 - 2⁷ = 53534679259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53534679387.

It is not an unprimeable number, because it can be changed into a prime (53534679389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3465414 + ... + 3480827.

It is an arithmetic number, because the mean of its divisors is an integer number (5112434112).

Almost surely, 2^53534679387 is an apocalyptic number.

53534679387 is a deficient number, since it is larger than the sum of its proper divisors (28264266405).

53534679387 is a wasteful number, since it uses less digits than its factorization.

53534679387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6946618.

The product of its digits is 57153600, while the sum is 60.

The spelling of 53534679387 in words is "fifty-three billion, five hundred thirty-four million, six hundred seventy-nine thousand, three hundred eighty-seven".