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55002497 = 1117294131
BaseRepresentation
bin1101000111010…
…0010110000001
310211111102020112
43101310112001
5103040034442
65242521105
71235341064
oct321642601
9124442215
1055002497
1129058210
1216506195
13b51a374
14743a8db
154c67082
hex3474581

55002497 has 8 divisors (see below), whose sum is σ = 63532512. Its totient is φ = 47060800.

The previous prime is 55002469. The next prime is 55002503. The reversal of 55002497 is 79420055.

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 55002497 - 26 = 55002433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55002457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146879 + ... + 147252.

It is an arithmetic number, because the mean of its divisors is an integer number (7941564).

Almost surely, 255002497 is an apocalyptic number.

It is an amenable number.

55002497 is a deficient number, since it is larger than the sum of its proper divisors (8530015).

55002497 is a wasteful number, since it uses less digits than its factorization.

55002497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294159.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 55002497 is about 7416.3668328906. The cubic root of 55002497 is about 380.3010011238.

It can be divided in two parts, 5500 and 2497, that added together give a palindrome (7997).

The spelling of 55002497 in words is "fifty-five million, two thousand, four hundred ninety-seven".

Divisors: 1 11 17 187 294131 3235441 5000227 55002497