56816522061 has 8 divisors (see below), whose sum is σ = 81582698400. Its totient is φ = 34964013552.

The previous prime is 56816522053. The next prime is 56816522099. The reversal of 56816522061 is 16022561865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56816522061 - 2³ = 56816522053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56816522051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728416911 + ... + 728416988.

It is an arithmetic number, because the mean of its divisors is an integer number (10197837300).

Almost surely, 2^56816522061 is an apocalyptic number.

It is an amenable number.

56816522061 is a deficient number, since it is larger than the sum of its proper divisors (24766176339).

56816522061 is a wasteful number, since it uses less digits than its factorization.

56816522061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456833915.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 56816522061 in words is "fifty-six billion, eight hundred sixteen million, five hundred twenty-two thousand, sixty-one".