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55601211 = 394719571
BaseRepresentation
bin1101010000011…
…0100000111011
310212121211112010
43110012200323
5103213214321
65303421003
71243413441
oct324064073
9125554463
1055601211
1129427016
1216754763
13b699a33
147554b91
154d34676
hex350683b

55601211 has 8 divisors (see below), whose sum is σ = 74217024. Its totient is φ = 37026440.

The previous prime is 55601191. The next prime is 55601213. The reversal of 55601211 is 11210655.

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 55601211 - 210 = 55600187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55601213) 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, 6945 + ... + 12626.

It is an arithmetic number, because the mean of its divisors is an integer number (9277128).

Almost surely, 255601211 is an apocalyptic number.

55601211 is a deficient number, since it is larger than the sum of its proper divisors (18615813).

55601211 is a wasteful number, since it uses less digits than its factorization.

55601211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20521.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 55601211 is about 7456.6219563553. The cubic root of 55601211 is about 381.6759104397.

Adding to 55601211 its reverse (11210655), we get a palindrome (66811866).

The spelling of 55601211 in words is "fifty-five million, six hundred one thousand, two hundred eleven".

Divisors: 1 3 947 2841 19571 58713 18533737 55601211