61000050056 has 16 divisors (see below), whose sum is σ = 124772829840. Its totient is φ = 27727295440.

The previous prime is 61000050053. The next prime is 61000050061. The reversal of 61000050056 is 65005000016.

61000050056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61000050056² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61000050053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346591106 + ... + 346591281.

It is an arithmetic number, because the mean of its divisors is an integer number (7798301865).

Almost surely, 2^61000050056 is an apocalyptic number.

It is an amenable number.

61000050056 is an abundant number, since it is smaller than the sum of its proper divisors (63772779784).

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

61000050056 is a wasteful number, since it uses less digits than its factorization.

61000050056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693182404 (or 693182400 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 61000050056 in words is "sixty-one billion, fifty thousand, fifty-six".