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56275 = 522251
BaseRepresentation
bin1101101111010011
32212012021
431233103
53300100
61112311
7323032
oct155723
985167
1056275
113930a
1228697
131c7cb
1416719
1511a1a
hexdbd3

56275 has 6 divisors (see below), whose sum is σ = 69812. Its totient is φ = 45000.

The previous prime is 56269. The next prime is 56299. The reversal of 56275 is 57265.

It is a happy number.

It is not a de Polignac number, because 56275 - 23 = 56267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2251 = 56275 / (5 + 6 + 2 + 7 + 5).

It is a Duffinian number.

56275 is a lucky number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1101 + ... + 1150.

256275 is an apocalyptic number.

56275 is a deficient number, since it is larger than the sum of its proper divisors (13537).

56275 is a wasteful number, since it uses less digits than its factorization.

56275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261 (or 2256 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 56275 is about 237.2235232855. The cubic root of 56275 is about 38.3211471451.

Subtracting 56275 from its reverse (57265), we obtain a triangular number (990 = T44).

It can be divided in two parts, 56 and 275, that multiplied together give a triangular number (15400 = T175).

The spelling of 56275 in words is "fifty-six thousand, two hundred seventy-five".

Divisors: 1 5 25 2251 11255 56275