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55762085 = 511152417
BaseRepresentation
bin1101010010110…
…1110010100101
310212221000012102
43110231302211
5103233341320
65311101445
71244653451
oct324556245
9125830172
1055762085
1129526975
1216811885
13b725022
147597661
154d67175
hex352dca5

55762085 has 4 divisors (see below), whose sum is σ = 66914508. Its totient is φ = 44609664.

The previous prime is 55762081. The next prime is 55762103. The reversal of 55762085 is 58026755.

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 17297281 + 38464804 = 4159^2 + 6202^2 .

It is a cyclic number.

It is not a de Polignac number, because 55762085 - 22 = 55762081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55762081) 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, 5576204 + ... + 5576213.

It is an arithmetic number, because the mean of its divisors is an integer number (16728627).

Almost surely, 255762085 is an apocalyptic number.

It is an amenable number.

55762085 is a deficient number, since it is larger than the sum of its proper divisors (11152423).

55762085 is a wasteful number, since it uses less digits than its factorization.

55762085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11152422.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 55762085 is about 7467.4014891393. The cubic root of 55762085 is about 382.0436638593.

The spelling of 55762085 in words is "fifty-five million, seven hundred sixty-two thousand, eighty-five".

Divisors: 1 5 11152417 55762085