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56387995 = 511277599
BaseRepresentation
bin1101011100011…
…0100110011011
310221002210210021
43113012212123
5103413403440
65332331311
71253201326
oct327064633
9127083707
1056387995
1129914154
1216a73b37
13b8b3ba1
1476bb7bd
154e3c84a
hex35c699b

56387995 has 4 divisors (see below), whose sum is σ = 67665600. Its totient is φ = 45110392.

The previous prime is 56387993. The next prime is 56388001. The reversal of 56387995 is 59978365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56387995 - 21 = 56387993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56387993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5638795 + ... + 5638804.

It is an arithmetic number, because the mean of its divisors is an integer number (16916400).

Almost surely, 256387995 is an apocalyptic number.

56387995 is a deficient number, since it is larger than the sum of its proper divisors (11277605).

56387995 is a wasteful number, since it uses less digits than its factorization.

56387995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11277604.

The product of its digits is 2041200, while the sum is 52.

The square root of 56387995 is about 7509.1940313192. The cubic root of 56387995 is about 383.4677843849.

The spelling of 56387995 in words is "fifty-six million, three hundred eighty-seven thousand, nine hundred ninety-five".

Divisors: 1 5 11277599 56387995