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55788775061 = 194796129961
BaseRepresentation
bin110011111101010001…
…010010011010010101
312100000000102102011012
4303331101102122111
51403223411300221
641343511022005
74013332522655
oct637521223225
9170000372135
1055788775061
1121729344478
12a98b66a905
135351151206
1429b3478365
1516b7ba765b
hexcfd452695

55788775061 has 8 divisors (see below), whose sum is σ = 58847635200. Its totient is φ = 52742175840.

The previous prime is 55788775051. The next prime is 55788775087. The reversal of 55788775061 is 16057788755.

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

It is a cyclic number.

It is not a de Polignac number, because 55788775061 - 230 = 54715033237 is a prime.

It is a super-2 number, since 2×557887750612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55788775051) 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, 3055880 + ... + 3074081.

It is an arithmetic number, because the mean of its divisors is an integer number (7355954400).

Almost surely, 255788775061 is an apocalyptic number.

It is an amenable number.

55788775061 is a deficient number, since it is larger than the sum of its proper divisors (3058860139).

55788775061 is a wasteful number, since it uses less digits than its factorization.

55788775061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6130459.

The product of its (nonzero) digits is 16464000, while the sum is 59.

The spelling of 55788775061 in words is "fifty-five billion, seven hundred eighty-eight million, seven hundred seventy-five thousand, sixty-one".

Divisors: 1 19 479 9101 6129961 116469259 2936251319 55788775061