53427643438 has 64 divisors (see below), whose sum is σ = 88535543040. Its totient is φ = 24174554976.

The previous prime is 53427643429. The next prime is 53427643441. The reversal of 53427643438 is 83434672435.

It is a junction number, because it is equal to n+sod(n) for n = 53427643391 and 53427643400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102155845 + ... + 102156367.

It is an arithmetic number, because the mean of its divisors is an integer number (1383367860).

Almost surely, 2^53427643438 is an apocalyptic number.

53427643438 is a deficient number, since it is larger than the sum of its proper divisors (35107899602).

53427643438 is a wasteful number, since it uses less digits than its factorization.

53427643438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 952 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 49.

The spelling of 53427643438 in words is "fifty-three billion, four hundred twenty-seven million, six hundred forty-three thousand, four hundred thirty-eight".