56525193561 has 8 divisors (see below), whose sum is σ = 76098642880. Its totient is φ = 37317603312.

The previous prime is 56525193551. The next prime is 56525193581. The reversal of 56525193561 is 16539152565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56525193561 - 2¹³ = 56525185369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56525193561.

It is not an unprimeable number, because it can be changed into a prime (56525193551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91464406 + ... + 91465023.

It is an arithmetic number, because the mean of its divisors is an integer number (9512330360).

Almost surely, 2^56525193561 is an apocalyptic number.

It is an amenable number.

56525193561 is a deficient number, since it is larger than the sum of its proper divisors (19573449319).

56525193561 is a wasteful number, since it uses less digits than its factorization.

56525193561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182929535.

The product of its digits is 1215000, while the sum is 48.

The spelling of 56525193561 in words is "fifty-six billion, five hundred twenty-five million, one hundred ninety-three thousand, five hundred sixty-one".