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56245760725 = 5271129218577
BaseRepresentation
bin110100011000100000…
…100011001011010101
312101011212022200122011
4310120200203023111
51410142403320400
641501113504221
74030552035460
oct643040431325
9171155280564
1056245760725
11219432a1580
12aa98712071
1353c4a2572b
142a180342d7
1516e2d758ba
hexd188232d5

56245760725 has 24 divisors (see below), whose sum is σ = 86954488128. Its totient is φ = 35062291200.

The previous prime is 56245760719. The next prime is 56245760731. The reversal of 56245760725 is 52706754265.

It is an interprime number because it is at equal distance from previous prime (56245760719) and next prime (56245760731).

It is not a de Polignac number, because 56245760725 - 23 = 56245760717 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 14607364 + ... + 14611213.

It is an arithmetic number, because the mean of its divisors is an integer number (3623103672).

Almost surely, 256245760725 is an apocalyptic number.

56245760725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56245760725 is a deficient number, since it is larger than the sum of its proper divisors (30708727403).

56245760725 is a wasteful number, since it uses less digits than its factorization.

56245760725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29218605 (or 29218600 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 56245760725 in words is "fifty-six billion, two hundred forty-five million, seven hundred sixty thousand, seven hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1925 29218577 146092885 204530039 321404347 730464425 1022650195 1607021735 2249830429 5113250975 8035108675 11249152145 56245760725