56554193557 has 8 divisors (see below), whose sum is σ = 60057552960. Its totient is φ = 53103516480.

The previous prime is 56554193537. The next prime is 56554193561. The reversal of 56554193557 is 75539145565.

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

It is not a de Polignac number, because 56554193557 - 2³¹ = 54406709909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56554193498 and 56554193507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56554193537) 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, 13168369 + ... + 13172662.

It is an arithmetic number, because the mean of its divisors is an integer number (7507194120).

Almost surely, 2^56554193557 is an apocalyptic number.

It is an amenable number.

56554193557 is a deficient number, since it is larger than the sum of its proper divisors (3503359403).

56554193557 is a wasteful number, since it uses less digits than its factorization.

56554193557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26341163.

The product of its digits is 14175000, while the sum is 55.

The spelling of 56554193557 in words is "fifty-six billion, five hundred fifty-four million, one hundred ninety-three thousand, five hundred fifty-seven".