56547785154 has 32 divisors (see below), whose sum is σ = 133709051520. Its totient is φ = 15599388672.

The previous prime is 56547785149. The next prime is 56547785191. The reversal of 56547785154 is 45158774565.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56547785094 and 56547785103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23212159 + ... + 23214594.

It is an arithmetic number, because the mean of its divisors is an integer number (4178407860).

Almost surely, 2^56547785154 is an apocalyptic number.

56547785154 is an abundant number, since it is smaller than the sum of its proper divisors (77161266366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56547785154 is a wasteful number, since it uses less digits than its factorization.

56547785154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46426794.

The product of its digits is 23520000, while the sum is 57.

The spelling of 56547785154 in words is "fifty-six billion, five hundred forty-seven million, seven hundred eighty-five thousand, one hundred fifty-four".