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56565052 = 22171943781
BaseRepresentation
bin1101011111000…
…1110100111100
310221102210122221
43113301310330
5103440040202
65340215124
71254536455
oct327616474
9127383587
1056565052
1129a25185
1216b3a4a4
13b94665b
14772612c
154e75037
hex35f1d3c

56565052 has 24 divisors (see below), whose sum is σ = 110330640. Its totient is φ = 25217280.

The previous prime is 56565037. The next prime is 56565079. The reversal of 56565052 is 25056565.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 56564999 and 56565017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20599 + ... + 23182.

It is an arithmetic number, because the mean of its divisors is an integer number (4597110).

Almost surely, 256565052 is an apocalyptic number.

It is an amenable number.

56565052 is a deficient number, since it is larger than the sum of its proper divisors (53765588).

56565052 is a wasteful number, since it uses less digits than its factorization.

56565052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43821 (or 43819 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 56565052 is about 7520.9741390328. The cubic root of 56565052 is about 383.8687250201.

The spelling of 56565052 in words is "fifty-six million, five hundred sixty-five thousand, fifty-two".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292 43781 87562 175124 744277 831839 1488554 1663678 2977108 3327356 14141263 28282526 56565052