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55000501 = 296728307
BaseRepresentation
bin1101000111001…
…1110110110101
310211111022111121
43101303312311
5103040004001
65242503541
71235332213
oct321636665
9124438447
1055000501
1129056766
1216504bb1
13b51949a
147439cb3
154c666a1
hex3473db5

55000501 has 8 divisors (see below), whose sum is σ = 57748320. Its totient is φ = 52309488.

The previous prime is 55000499. The next prime is 55000507. The reversal of 55000501 is 10500055.

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 55000501 - 21 = 55000499 is a prime.

It is a super-2 number, since 2×550005012 = 6050110220502002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000507) 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, 12211 + ... + 16096.

It is an arithmetic number, because the mean of its divisors is an integer number (7218540).

Almost surely, 255000501 is an apocalyptic number.

It is an amenable number.

55000501 is a deficient number, since it is larger than the sum of its proper divisors (2747819).

55000501 is a wasteful number, since it uses less digits than its factorization.

55000501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28403.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 55000501 is about 7416.2322644319. The cubic root of 55000501 is about 380.2964007873.

Adding to 55000501 its reverse (10500055), we get a palindrome (65500556).

The spelling of 55000501 in words is "fifty-five million, five hundred one", and thus it is an aban number.

Divisors: 1 29 67 1943 28307 820903 1896569 55000501