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5525052553 = 12473442961
BaseRepresentation
bin1010010010101000…
…11001110010001001
3112021001100202021001
411021110121302021
542303403140203
62312125015001
7253626112636
oct51124316211
915231322231
105525052553
112385825839
1210a23b4461
136a0875a87
143a5ad918d
152250bc91d
hex149519c89

5525052553 has 4 divisors (see below), whose sum is σ = 5525507988. Its totient is φ = 5524597120.

The previous prime is 5525052497. The next prime is 5525052569. The reversal of 5525052553 is 3552505255.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1350342009 + 4174710544 = 36747^2 + 64612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5525052553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5525052583) 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, 209008 + ... + 233953.

It is an arithmetic number, because the mean of its divisors is an integer number (1381376997).

Almost surely, 25525052553 is an apocalyptic number.

It is an amenable number.

5525052553 is a deficient number, since it is larger than the sum of its proper divisors (455435).

5525052553 is a wasteful number, since it uses less digits than its factorization.

5525052553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455434.

The product of its (nonzero) digits is 187500, while the sum is 37.

The square root of 5525052553 is about 74330.6972454853. The cubic root of 5525052553 is about 1767.8502370405.

The spelling of 5525052553 in words is "five billion, five hundred twenty-five million, fifty-two thousand, five hundred fifty-three".

Divisors: 1 12473 442961 5525052553