56530105933558 has 4 divisors (see below), whose sum is σ = 84795158900340. Its totient is φ = 28265052966778.

The previous prime is 56530105933537. The next prime is 56530105933573. The reversal of 56530105933558 is 85533950103565.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14132526483388 + ... + 14132526483391.

It is an arithmetic number, because the mean of its divisors is an integer number (21198789725085).

Almost surely, 2^{56530105933558} is an apocalyptic number.

56530105933558 is a deficient number, since it is larger than the sum of its proper divisors (28265052966782).

56530105933558 is a wasteful number, since it uses less digits than its factorization.

56530105933558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28265052966781.

The product of its (nonzero) digits is 36450000, while the sum is 58.

The spelling of 56530105933558 in words is "fifty-six trillion, five hundred thirty billion, one hundred five million, nine hundred thirty-three thousand, five hundred fifty-eight".