56051501556100 has 36 divisors (see below), whose sum is σ = 121632177501604. Its totient is φ = 22420523364480.

The previous prime is 56051501556067. The next prime is 56051501556109. The reversal of 56051501556100 is 165510515065.

It can be written as a sum of positive squares in 6 ways, for example, as 5306508459396 + 50744993096704 = 2303586^2 + 7123552^2 .

It is not an unprimeable number, because it can be changed into a prime (56051501556109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34783834 + ... + 36359566.

Almost surely, 2^{56051501556100} is an apocalyptic number.

56051501556100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56051501556100 is an abundant number, since it is smaller than the sum of its proper divisors (65580675945504).

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

56051501556100 is a wasteful number, since it uses less digits than its factorization.

56051501556100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931464 (or 1931457 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 56051501556100 in words is "fifty-six trillion, fifty-one billion, five hundred one million, five hundred fifty-six thousand, one hundred".