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55300507 = 171929011
BaseRepresentation
bin1101001011110…
…1000110011011
310212001120000221
43102331012123
5103124104012
65253140511
71241021653
oct322750633
9125046027
1055300507
11292410a9
121662a737
13b5c2bc2
1474b7363
154cc5507
hex34bd19b

55300507 has 12 divisors (see below), whose sum is σ = 61804296. Its totient is φ = 49302720.

The previous prime is 55300411. The next prime is 55300517. The reversal of 55300507 is 70500355.

It is a happy number.

It is not a de Polignac number, because 55300507 - 219 = 54776219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55300517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1632 + ... + 10642.

It is an arithmetic number, because the mean of its divisors is an integer number (5150358).

Almost surely, 255300507 is an apocalyptic number.

55300507 is a deficient number, since it is larger than the sum of its proper divisors (6503789).

55300507 is a wasteful number, since it uses less digits than its factorization.

55300507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9066 (or 9047 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 55300507 is about 7436.4310660424. The cubic root of 55300507 is about 380.9866029095.

The spelling of 55300507 in words is "fifty-five million, three hundred thousand, five hundred seven".

Divisors: 1 17 19 323 361 6137 9011 153187 171209 2910553 3252971 55300507