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56755765 = 5111031923
BaseRepresentation
bin1101100010000…
…0011000110101
310221210111021101
43120200120311
5104012141030
65344250101
71256262463
oct330403065
9127714241
1056755765
112a0454a0
1217010931
13b9b23c1
147775833
154eb17ca
hex3620635

56755765 has 8 divisors (see below), whose sum is σ = 74298528. Its totient is φ = 41276880.

The previous prime is 56755763. The next prime is 56755799.

56755765 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56755765 - 21 = 56755763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56755763) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 515907 + ... + 516016.

It is an arithmetic number, because the mean of its divisors is an integer number (9287316).

Almost surely, 256755765 is an apocalyptic number.

56755765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56755765 is a deficient number, since it is larger than the sum of its proper divisors (17542763).

56755765 is a wasteful number, since it uses less digits than its factorization.

56755765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031939.

The product of its digits is 1102500, while the sum is 46.

The square root of 56755765 is about 7533.6422134317. The cubic root of 56755765 is about 384.2996544321.

The spelling of 56755765 in words is "fifty-six million, seven hundred fifty-five thousand, seven hundred sixty-five".

Divisors: 1 5 11 55 1031923 5159615 11351153 56755765