56054738890 has 16 divisors (see below), whose sum is σ = 101455983720. Its totient is φ = 22298016960.

The previous prime is 56054738837. The next prime is 56054738933. The reversal of 56054738890 is 9883745065.

It can be written as a sum of positive squares in 4 ways, for example, as 45970361649 + 10084377241 = 214407^2 + 100421^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15482925 + ... + 15486544.

Almost surely, 2^56054738890 is an apocalyptic number.

56054738890 is a deficient number, since it is larger than the sum of its proper divisors (45401244830).

56054738890 is a wasteful number, since it uses less digits than its factorization.

56054738890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30969657.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 56054738890 in words is "fifty-six billion, fifty-four million, seven hundred thirty-eight thousand, eight hundred ninety".