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56125025 = 5211409499
BaseRepresentation
bin1101011000011…
…0011001100001
310220121110001122
43112012121201
5103332000100
65322542025
71251024545
oct326063141
9126543048
1056125025
1129754620
1216967915
13b821298
14764da25
154dd9985
hex3586661

56125025 has 24 divisors (see below), whose sum is σ = 76260000. Its totient is φ = 40636800.

The previous prime is 56124977. The next prime is 56125033. The reversal of 56125025 is 52052165.

It is not a de Polignac number, because 56125025 - 210 = 56124001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56124985 and 56125003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112226 + ... + 112724.

It is an arithmetic number, because the mean of its divisors is an integer number (3177500).

Almost surely, 256125025 is an apocalyptic number.

56125025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56125025 is a deficient number, since it is larger than the sum of its proper divisors (20134975).

56125025 is a wasteful number, since it uses less digits than its factorization.

56125025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 56125025 is about 7491.6637004073. The cubic root of 56125025 is about 382.8707442407.

The spelling of 56125025 in words is "fifty-six million, one hundred twenty-five thousand, twenty-five".

Divisors: 1 5 11 25 55 275 409 499 2045 2495 4499 5489 10225 12475 22495 27445 112475 137225 204091 1020455 2245001 5102275 11225005 56125025