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56001061 = 103953899
BaseRepresentation
bin1101010110100…
…0001000100101
310220101011000101
43111220020211
5103314013221
65320144101
71250000254
oct325501045
9126334011
1056001061
112967a476
1216908031
13b7a9a2c
14761a79b
154db2d91
hex3568225

56001061 has 4 divisors (see below), whose sum is σ = 56056000. Its totient is φ = 55946124.

The previous prime is 56001041. The next prime is 56001083. The reversal of 56001061 is 16010065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56001061 - 225 = 22446629 is a prime.

It is a super-2 number, since 2×560010612 = 6272237666251442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56001041) 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, 25911 + ... + 27988.

It is an arithmetic number, because the mean of its divisors is an integer number (14014000).

Almost surely, 256001061 is an apocalyptic number.

It is an amenable number.

56001061 is a deficient number, since it is larger than the sum of its proper divisors (54939).

56001061 is a wasteful number, since it uses less digits than its factorization.

56001061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54938.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 56001061 is about 7483.3856642565. The cubic root of 56001061 is about 382.5886527535.

The spelling of 56001061 in words is "fifty-six million, one thousand, sixty-one".

Divisors: 1 1039 53899 56001061