56011060505540 has 36 divisors (see below), whose sum is σ = 136827019237356. Its totient is φ = 19203792172992.

The previous prime is 56011060505473. The next prime is 56011060505567. The reversal of 56011060505540 is 4550506011065.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12000016522816 + 44011043982724 = 3464104^2 + 6634082^2 .

It is a super-3 number, since 3×56011060505540³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56011060505494 and 56011060505503.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28577070707 + ... + 28577072666.

It is an arithmetic number, because the mean of its divisors is an integer number (3800750534371).

Almost surely, 2^{56011060505540} is an apocalyptic number.

It is an amenable number.

56011060505540 is an abundant number, since it is smaller than the sum of its proper divisors (80815958731816).

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

56011060505540 is a wasteful number, since it uses less digits than its factorization.

56011060505540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57154143396 (or 57154143387 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 56011060505540 in words is "fifty-six trillion, eleven billion, sixty million, five hundred five thousand, five hundred forty".