55513567056 has 40 divisors (see below), whose sum is σ = 143587416960. Its totient is φ = 18481636096.

The previous prime is 55513567051. The next prime is 55513567111. The reversal of 55513567056 is 65076531555.

It is a super-2 number, since 2×55513567056² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 55513566996 and 55513567014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55513567051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675960 + ... + 753623.

It is an arithmetic number, because the mean of its divisors is an integer number (3589685424).

Almost surely, 2^55513567056 is an apocalyptic number.

It is an amenable number.

55513567056 is an abundant number, since it is smaller than the sum of its proper divisors (88073849904).

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

55513567056 is a wasteful number, since it uses less digits than its factorization.

55513567056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430403 (or 1430397 counting only the distinct ones).

The product of its (nonzero) digits is 2362500, while the sum is 48.

The spelling of 55513567056 in words is "fifty-five billion, five hundred thirteen million, five hundred sixty-seven thousand, fifty-six".