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55507735 = 511101547
BaseRepresentation
bin1101001110111…
…1101100010111
310212110002022001
43103233230113
5103202221420
65301420131
71242544063
oct323575427
9125402261
1055507735
1129372868
121670a647
13b66631a
14752caa3
154d16b0a
hex34efb17

55507735 has 4 divisors (see below), whose sum is σ = 66609288. Its totient is φ = 44406184.

The previous prime is 55507723. The next prime is 55507757. The reversal of 55507735 is 53770555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53770555 = 510754111.

It is a cyclic number.

It is not a de Polignac number, because 55507735 - 215 = 55474967 is a prime.

It is a super-2 number, since 2×555077352 = 6162217289660450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55507694 and 55507703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550769 + ... + 5550778.

It is an arithmetic number, because the mean of its divisors is an integer number (16652322).

Almost surely, 255507735 is an apocalyptic number.

55507735 is a deficient number, since it is larger than the sum of its proper divisors (11101553).

55507735 is a wasteful number, since it uses less digits than its factorization.

55507735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101552.

The product of its (nonzero) digits is 91875, while the sum is 37.

The square root of 55507735 is about 7450.3513339976. The cubic root of 55507735 is about 381.4619010145.

The spelling of 55507735 in words is "fifty-five million, five hundred seven thousand, seven hundred thirty-five".

Divisors: 1 5 11101547 55507735