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56051 = 232437
BaseRepresentation
bin1101101011110011
32211212222
431223303
53243201
61111255
7322262
oct155363
984788
1056051
1139126
122852b
131c688
14165d9
151191b
hexdaf3

56051 has 4 divisors (see below), whose sum is σ = 58512. Its totient is φ = 53592.

The previous prime is 56041. The next prime is 56053. The reversal of 56051 is 15065.

56051 = T58 + T59 + ... + T80.

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 56051 - 26 = 55987 is a prime.

It is an Ulam number.

It is a plaindrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (56053) 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, 1196 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (14628).

256051 is an apocalyptic number.

56051 is a deficient number, since it is larger than the sum of its proper divisors (2461).

56051 is a wasteful number, since it uses less digits than its factorization.

56051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 56051 is about 236.7509239686. The cubic root of 56051 is about 38.2702343565.

The spelling of 56051 in words is "fifty-six thousand, fifty-one".

Divisors: 1 23 2437 56051