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55660616053 = 713758040267
BaseRepresentation
bin110011110101101000…
…011001100101110101
312022200002021021001021
4303311220121211311
51402443104203203
641323052101141
74010215300360
oct636550314565
9168602237037
1055660616053
1121672a6a739
12a9547647b1
13533072b693
1429a04370d7
1516ab7de5bd
hexcf5a19975

55660616053 has 8 divisors (see below), whose sum is σ = 64076455872. Its totient is φ = 47360857056.

The previous prime is 55660616051. The next prime is 55660616117. The reversal of 55660616053 is 35061606655.

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 55660616053 - 21 = 55660616051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55660616051) 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, 29019175 + ... + 29021092.

It is an arithmetic number, because the mean of its divisors is an integer number (8009556984).

Almost surely, 255660616053 is an apocalyptic number.

It is an amenable number.

55660616053 is a deficient number, since it is larger than the sum of its proper divisors (8415839819).

55660616053 is a wasteful number, since it uses less digits than its factorization.

55660616053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58040411.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 55660616053 in words is "fifty-five billion, six hundred sixty million, six hundred sixteen thousand, fifty-three".

Divisors: 1 7 137 959 58040267 406281869 7951516579 55660616053