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56052811 = 475032371
BaseRepresentation
bin1101010111010…
…0110001001011
310220110210000001
43111310301023
5103322142221
65321223431
71250304163
oct325646113
9126423001
1056052811
1129705341
1216931b77
13b7c7459
1476315a3
154dc3391
hex3574c4b

56052811 has 8 divisors (see below), whose sum is σ = 57383424. Its totient is φ = 54728040.

The previous prime is 56052809. The next prime is 56052833. The reversal of 56052811 is 11825065.

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

It is a cyclic number.

It is not a de Polignac number, because 56052811 - 21 = 56052809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56052811.

It is not an unprimeable number, because it can be changed into a prime (56052011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22456 + ... + 24826.

It is an arithmetic number, because the mean of its divisors is an integer number (7172928).

Almost surely, 256052811 is an apocalyptic number.

56052811 is a deficient number, since it is larger than the sum of its proper divisors (1330613).

56052811 is a wasteful number, since it uses less digits than its factorization.

56052811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 56052811 is about 7486.8425253908. The cubic root of 56052811 is about 382.7064652073.

Adding to 56052811 its reverse (11825065), we get a palindrome (67877876).

The spelling of 56052811 in words is "fifty-six million, fifty-two thousand, eight hundred eleven".

Divisors: 1 47 503 2371 23641 111437 1192613 56052811