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55636601 = 179310819
BaseRepresentation
bin1101010000111…
…1001001111001
310212200122001212
43110033021321
5103220332401
65304252505
71243621556
oct324171171
9125618055
1055636601
1129450669
1216771135
13b6acb87
147563a2d
154d3edbb
hex350f279

55636601 has 4 divisors (see below), whose sum is σ = 55947600. Its totient is φ = 55325604.

The previous prime is 55636589. The next prime is 55636613. The reversal of 55636601 is 10663655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (55636589) and next prime (55636613).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55636601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55636621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155231 + ... + 155588.

It is an arithmetic number, because the mean of its divisors is an integer number (13986900).

Almost surely, 255636601 is an apocalyptic number.

It is an amenable number.

55636601 is a deficient number, since it is larger than the sum of its proper divisors (310999).

55636601 is a wasteful number, since it uses less digits than its factorization.

55636601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310998.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 55636601 is about 7458.9946373489. The cubic root of 55636601 is about 381.7568717798.

The spelling of 55636601 in words is "fifty-five million, six hundred thirty-six thousand, six hundred one".

Divisors: 1 179 310819 55636601