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56425 = 523761
BaseRepresentation
bin1101110001101001
32212101211
431301221
53301200
61113121
7323335
oct156151
985354
1056425
1139436
12287a1
131c8b5
14167c5
1511aba
hexdc69

56425 has 12 divisors (see below), whose sum is σ = 73036. Its totient is φ = 43200.

The previous prime is 56417. The next prime is 56431. The reversal of 56425 is 52465.

It can be written as a sum of positive squares in 6 ways, for example, as 2601 + 53824 = 51^2 + 232^2 .

It is not a de Polignac number, because 56425 - 23 = 56417 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56396 and 56405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 895 + ... + 955.

256425 is an apocalyptic number.

It is an amenable number.

56425 is a deficient number, since it is larger than the sum of its proper divisors (16611).

56425 is a wasteful number, since it uses less digits than its factorization.

56425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 103 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 56425 is about 237.5394704044. The cubic root of 56425 is about 38.3551650477.

Subtracting from 56425 its product of digits (1200), we obtain a square (55225 = 2352).

The spelling of 56425 in words is "fifty-six thousand, four hundred twenty-five".

Divisors: 1 5 25 37 61 185 305 925 1525 2257 11285 56425