56504505061 has 16 divisors (see below), whose sum is σ = 62690371200. Its totient is φ = 50709492288.

The previous prime is 56504505059. The next prime is 56504505067. The reversal of 56504505061 is 16050540565.

It is a cyclic number.

It is not a de Polignac number, because 56504505061 - 2¹ = 56504505059 is a prime.

It is a super-2 number, since 2×56504505061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56504505061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56504505067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938241 + ... + 996646.

It is an arithmetic number, because the mean of its divisors is an integer number (3918148200).

Almost surely, 2^56504505061 is an apocalyptic number.

It is an amenable number.

56504505061 is a deficient number, since it is larger than the sum of its proper divisors (6185866139).

56504505061 is a wasteful number, since it uses less digits than its factorization.

56504505061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934988.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 56504505061 in words is "fifty-six billion, five hundred four million, five hundred five thousand, sixty-one".