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55513435 = 511102687
BaseRepresentation
bin1101001111000…
…1000101011011
310212110101010011
43103301011123
5103202412220
65301502351
71242566515
oct323610533
9125411104
1055513435
112937707a
12167119b7
13b668ab3
147530bb5
154d1865a
hex34f115b

55513435 has 4 divisors (see below), whose sum is σ = 66616128. Its totient is φ = 44410744.

The previous prime is 55513433. The next prime is 55513457. The reversal of 55513435 is 53431555.

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

It is a cyclic number.

It is not a de Polignac number, because 55513435 - 21 = 55513433 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55513397 and 55513406.

It is not an unprimeable number, because it can be changed into a prime (55513433) 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, 5551339 + ... + 5551348.

It is an arithmetic number, because the mean of its divisors is an integer number (16654032).

Almost surely, 255513435 is an apocalyptic number.

55513435 is a deficient number, since it is larger than the sum of its proper divisors (11102693).

55513435 is a wasteful number, since it uses less digits than its factorization.

55513435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102692.

The product of its digits is 22500, while the sum is 31.

The square root of 55513435 is about 7450.7338564735. The cubic root of 55513435 is about 381.4749578039.

The spelling of 55513435 in words is "fifty-five million, five hundred thirteen thousand, four hundred thirty-five".

Divisors: 1 5 11102687 55513435