Search a number
-
+
55921668301 = 537179313601
BaseRepresentation
bin110100000101001100…
…001111000011001101
312100100021111002102001
4310011030033003031
51404011421341201
641405015232301
74016535223552
oct640514170315
9170307432361
1055921668301
11217973620a4
12aa08078691
135372840875
1429c6d8ca29
1516c46a8301
hexd0530f0cd

55921668301 has 32 divisors (see below), whose sum is σ = 58795269120. Its totient is φ = 53149824000.

The previous prime is 55921668293. The next prime is 55921668307. The reversal of 55921668301 is 10386612955.

It is a cyclic number.

It is not a de Polignac number, because 55921668301 - 23 = 55921668293 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55921668307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93047401 + ... + 93048001.

It is an arithmetic number, because the mean of its divisors is an integer number (1837352160).

Almost surely, 255921668301 is an apocalyptic number.

It is an amenable number.

55921668301 is a deficient number, since it is larger than the sum of its proper divisors (2873600819).

55921668301 is a wasteful number, since it uses less digits than its factorization.

55921668301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 55921668301 in words is "fifty-five billion, nine hundred twenty-one million, six hundred sixty-eight thousand, three hundred one".

Divisors: 1 53 71 79 313 601 3763 4187 5609 16589 22223 24727 31853 42671 47479 188113 297277 1177819 1310531 1755617 2261563 2516387 3371009 9969989 13356023 14860927 93047701 178663477 707869219 787629131 1055125817 55921668301