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53725 = 527307
BaseRepresentation
bin1101000111011101
32201200211
431013131
53204400
61052421
7312430
oct150735
981624
1053725
1137401
1227111
131b5b9
1415817
1510dba
hexd1dd

53725 has 12 divisors (see below), whose sum is σ = 76384. Its totient is φ = 36720.

The previous prime is 53719. The next prime is 53731. The reversal of 53725 is 52735.

It is an interprime number because it is at equal distance from previous prime (53719) and next prime (53731).

It is not a de Polignac number, because 53725 - 23 = 53717 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 junction number, because it is equal to n+sod(n) for n = 53696 and 53705.

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, 22 + ... + 328.

253725 is an apocalyptic number.

It is an amenable number.

53725 is a deficient number, since it is larger than the sum of its proper divisors (22659).

53725 is a wasteful number, since it uses less digits than its factorization.

53725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 319 counting only the distinct ones).

The product of its digits is 1050, while the sum is 22.

The square root of 53725 is about 231.7865397300. The cubic root of 53725 is about 37.7333596235.

Subtracting from 53725 its reverse (52735), we obtain a triangular number (990 = T44).

The spelling of 53725 in words is "fifty-three thousand, seven hundred twenty-five".

Divisors: 1 5 7 25 35 175 307 1535 2149 7675 10745 53725