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55052083 = 431280281
BaseRepresentation
bin1101001000000…
…0011100110011
310211120221021001
43102000130303
5103043131313
65243542431
71235635462
oct322003463
9124527231
1055052083
1129091499
121652aa17
13b536ac8
1474509d9
154c76add
hex3480733

55052083 has 4 divisors (see below), whose sum is σ = 56332408. Its totient is φ = 53771760.

The previous prime is 55052077. The next prime is 55052093. The reversal of 55052083 is 38025055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38025055 = 57605011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55052083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55052093) 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 3 ways as a sum of consecutive naturals, for example, 640098 + ... + 640183.

It is an arithmetic number, because the mean of its divisors is an integer number (14083102).

Almost surely, 255052083 is an apocalyptic number.

55052083 is a deficient number, since it is larger than the sum of its proper divisors (1280325).

55052083 is a wasteful number, since it uses less digits than its factorization.

55052083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280324.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55052083 is about 7419.7090913324. The cubic root of 55052083 is about 380.4152501273.

The spelling of 55052083 in words is "fifty-five million, fifty-two thousand, eighty-three".

Divisors: 1 43 1280281 55052083