53666827934 has 4 divisors (see below), whose sum is σ = 80500241904. Its totient is φ = 26833413966.

The previous prime is 53666827901. The next prime is 53666827939. The reversal of 53666827934 is 43972866635.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53666827939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13416706982 + ... + 13416706985.

It is an arithmetic number, because the mean of its divisors is an integer number (20125060476).

Almost surely, 2^53666827934 is an apocalyptic number.

53666827934 is a deficient number, since it is larger than the sum of its proper divisors (26833413970).

53666827934 is a wasteful number, since it uses less digits than its factorization.

53666827934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26833413969.

The product of its digits is 39191040, while the sum is 59.

The spelling of 53666827934 in words is "fifty-three billion, six hundred sixty-six million, eight hundred twenty-seven thousand, nine hundred thirty-four".