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56607949 is a prime number
BaseRepresentation
bin1101011111110…
…0010011001101
310221111222111201
43113330103031
5103442423244
65341145501
71255105516
oct327742315
9127458451
1056607949
1129a54432
1216b5b291
13b960038
147737a0d
154e82ad4
hex35fc4cd

56607949 has 2 divisors, whose sum is σ = 56607950. Its totient is φ = 56607948.

The previous prime is 56607919. The next prime is 56607959. The reversal of 56607949 is 94970665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41538025 + 15069924 = 6445^2 + 3882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56607949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56607899 and 56607908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56607919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28303974 + 28303975.

It is an arithmetic number, because the mean of its divisors is an integer number (28303975).

Almost surely, 256607949 is an apocalyptic number.

It is an amenable number.

56607949 is a deficient number, since it is larger than the sum of its proper divisors (1).

56607949 is an equidigital number, since it uses as much as digits as its factorization.

56607949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 56607949 is about 7523.8254232804. The cubic root of 56607949 is about 383.9657381360.

The spelling of 56607949 in words is "fifty-six million, six hundred seven thousand, nine hundred forty-nine".