155055600056 has 32 divisors (see below), whose sum is σ = 332869491840. Its totient is φ = 66330901728.

The previous prime is 155055600053. The next prime is 155055600071. The reversal of 155055600056 is 650006550551.

It is a junction number, because it is equal to n+sod(n) for n = 155055599992 and 155055600019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155055600053) 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, 2500310 + ... + 2561573.

It is an arithmetic number, because the mean of its divisors is an integer number (10402171620).

Almost surely, 2^155055600056 is an apocalyptic number.

It is an amenable number.

155055600056 is an abundant number, since it is smaller than the sum of its proper divisors (177813891784).

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

155055600056 is a wasteful number, since it uses less digits than its factorization.

155055600056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062443 (or 5062439 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 155055600056 in words is "one hundred fifty-five billion, fifty-five million, six hundred thousand, fifty-six".