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55304020761 = 3111675879417
BaseRepresentation
bin110011100000011000…
…000110001100011001
312021202020021100021020
4303200120012030121
51401230312131021
641223433033053
73665325264063
oct634030061431
9167666240236
1055304020761
11214aa750390
12a875255789
1352a48a6552
142968d30733
15168a3517c6
hexce0606319

55304020761 has 8 divisors (see below), whose sum is σ = 80442212064. Its totient is φ = 33517588320.

The previous prime is 55304020753. The next prime is 55304020847. The reversal of 55304020761 is 16702040355.

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

It is not a de Polignac number, because 55304020761 - 23 = 55304020753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1675879417 = 55304020761 / (5 + 5 + 3 + 0 + 4 + 0 + 2 + 0 + 7 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (55304020711) 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, 837939676 + ... + 837939741.

It is an arithmetic number, because the mean of its divisors is an integer number (10055276508).

Almost surely, 255304020761 is an apocalyptic number.

It is an amenable number.

55304020761 is a deficient number, since it is larger than the sum of its proper divisors (25138191303).

55304020761 is a wasteful number, since it uses less digits than its factorization.

55304020761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675879431.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 55304020761 in words is "fifty-five billion, three hundred four million, twenty thousand, seven hundred sixty-one".

Divisors: 1 3 11 33 1675879417 5027638251 18434673587 55304020761