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55773496753 = 1321372007613
BaseRepresentation
bin110011111100010111…
…000000010110110001
312022221221200012020221
4303330113000112301
51403211003344003
641342203333041
74013055620542
oct637427002661
9168857605227
1055773496753
1121720759677
12a986521181
13534ac31cb0
1429b141c4c9
1516b668a7bd
hexcfc5c05b1

55773496753 has 8 divisors (see below), whose sum is σ = 60091902248. Its totient is φ = 51459110784.

The previous prime is 55773496747. The next prime is 55773496763. The reversal of 55773496753 is 35769437755.

55773496753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1495214224 + 54278282529 = 38668^2 + 232977^2 .

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 55773496753 - 29 = 55773496241 is a prime.

It is a super-2 number, since 2×557734967532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55773496691 and 55773496700.

It is not an unprimeable number, because it can be changed into a prime (55773496703) 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, 976026 + ... + 1031587.

It is an arithmetic number, because the mean of its divisors is an integer number (7511487781).

Almost surely, 255773496753 is an apocalyptic number.

It is an amenable number.

55773496753 is a deficient number, since it is larger than the sum of its proper divisors (4318405495).

55773496753 is a wasteful number, since it uses less digits than its factorization.

55773496753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009763.

The product of its digits is 83349000, while the sum is 61.

The spelling of 55773496753 in words is "fifty-five billion, seven hundred seventy-three million, four hundred ninety-six thousand, seven hundred fifty-three".

Divisors: 1 13 2137 27781 2007613 26098969 4290268981 55773496753